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## What is a square root?

A square root of a number is a number that, when it is multiplied by itself (squared), gives the first number again. For example, 2 is the square root of 4, because 2×2=4. Only numbers bigger than or equal to zero have real square roots. A number bigger than zero has two square roots: one is positive (bigger than zero) and the other is negative (smaller than zero). For example, 4 has two square roots: 2 and -2. The only square root of zero is zero. A whole number with a square root that is also a whole number is called a perfect square. The square root radical is simplified or in its simplest form only when the radicand has no square factors left. A radical is also in simplest form when the radicand is not a fraction. Square Root of 18 (√18) – The square root of 18 in mathematical form is written with the radical sign like this √18. We call this the square root of 18 in radical form. The square root of 18 is a quantity (q) that when multiplied by itself will equal 18. √ 18 = q × q = q 2Simplified Square Root for √126 is 3√14; Step by step simplification process to get square roots radical form: First we will find all factors under the square root: 126 has the square factor of 9. Let's check this with √9*14=√126. As you can see the radicals are not in their simplest form. Now extract and take out the square root √9Free simplify calculator – simplify algebraic expressions step-by-step This website uses cookies to ensure you get the best experience. By using this website, you agree to our Cookie Policy.

Square Root Of 126 Simplified? – Math Question [SOLVED] – 18 = 2 • 3 2 To simplify a square root, we extract factors which are squares, i.e., factors that are raised to an even exponent. Factors which will be extracted are : 9 = 3 2 Factors which will remain inside the root are : 2 = 2 To complete the simplification we take the squre root of the factors which are to be extracted.How do you simplify: square root of 32 – square root of 18? What is #sqrt(50)-sqrt(18)#? What is the square root of 50 + the square root of 8? See all questions in Addition and Subtraction of Radicals Impact of this question. 8396 views around the worldA = Multiply all the double prime factors (pairs) of 18 and then take the square root of that product. The prime factors that multiply together to make 18 are 2 x 3 x 3. When we strip out the pairs only, we get 3 x 3 = 9 and the square root of 9 is 3. Therefore, A equals 3. simplify sqrt(18) – Simplify Calculator – Symbolab – The free calculator will solve any square root, even negative ones and you can mess around with decimals too!The square root calculator below will reduce any square root to its simplest radical form as well as provide a brute force rounded approximation of any real or imaginary square root.. To use the calculator simply type any positive or negative number into the text box.Free Pre-Algebra, Algebra, Trigonometry, Calculus, Geometry, Statistics and Chemistry calculators step-by-stepOnline Calculators > Math Calculators > Simplify Square Root Calculator Simplify Square Root Calculator. Simplify Square Root Calculator to find the simpliest form square root of any number. Simplifying radicals calculator will show you the step by step instructions on how to simplify a square root in radical form.           