Question

Solve (x-3)^2=49. select the values of x

Answer 1

x1=-4 x2=10

Explanation:

step 1: x-3 = +/- 7 <--- take the square roots of both sides of the equation and use both positive and negative roots

step 2: x-3 = -7

x-3=7

step 3: x-3=-7--> x=-4

x-3=7--> x=10

step 4:x1=-4, x2=10 is the answer