Question

Find the roots using Quadratic Formula a)x^2 + (7 − x)^2 = 25

Answer 1

Step-by-step explanation:

x²+(7-x)²=25

x²+49+x²-14x=25

2x²-14x+49-25=0

2x²-14x+24=0

2x²-(8+6)x+24=0

2x²-8x-6x+24=0

2x(x-4)-6(x-4)=0

(2x-6)(x-4)=0

2x-6=0. or x-4=0

x=6/2. or x=4

x=3or x=4