Question

Solve each equation. Find the exact solution. (x-3)²-49=0

Answer 1

(x-3)²-49=0 = a²-b² that we factor (a-b)(a+b)

(x-3-7)(x-3+7)=0

(x-10)(x+4)=0

x-10=0⇔x=10

x+4=0⇔x=-4

exact solution x =10 or -4

Explanation: