Question

(2x-6)²=x²+(2x+4)²
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Answer 1

Answer:

-2 & 10

Step-by-step explanation:

x^2 + (2x+4)^2 = (2x+6)^2

x^2 + 4x^2 + 16 + 16x = 4x^2 + 36+24x

x^2 -8x -20 = 0

x^2 -10x +2x -20 = 0

(x+2)(x-10)= 0

x = -2 & 10