3x2 + 4x - 16 = (x-4)2

Question

3x2 + 4x - 16 = (x-4)2

Answer 1

3x²+4x-16=(x-4)²
3x²+4x-16=x²-8x+16
2x²+12x-32=0|:2
x²+6x-16=0
x1*x2=-16
x1+x2=-6   => x1=2, x2=-8
Ответ: -8; 2