x^2 = 64
x = +,- square root of 64 = +,- 8.
Thus, x = -8 or x = 8
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If r-squared = theta then r = ±sqrt(theta)
Well, darling, to solve for t when t squared equals 169, you simply take the square root of both sides. So, t equals plus or minus the square root of 169, which is 13. Easy peasy lemon squeezy. Now go show off your math skills, honey!
So u have the function x2-4=0 Now because 4 is a squared number, its square root is 2 (x+2)(x-2)=0
X=1
Equals divided by non-zero equals are equal.