The square root method:
If u is an algebraic expression and d is a positive real number, then u^2 = d has exactly two solutions:
If u^2 = d, then u = √d or u = - √d
Equivalently,
If u^2 = d, then u = ±√d
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factor it
Do the addition, get the answer and then find its square root!
When you take the square root of a variable raised to an exponent, you divide the exponent by two. For example the square root of x^4 is x^2, because x^2 x x^2 =x^4.
To find the square root of a number you multiply that number by it self twice.(example) the square root of 9 ? the square root of nine is 81 as 9X9=81. square root of 4 ? th square root of is 16 as 4X4=16.
What I do is find the square root of that number and then find the square root of the answer. Example: 1,296. Square root of 1,296, which can be done easily on most calculators: 36 Square root of 36: 6 Your answer is 6 If you want to check up on that, go ahead, but 6x6x6x6=1,296