Question

factories
x2 + 4x - 192 = 0​

Answer 1

Step-by-step explanation:

x²+4x-192=0

x²+16x-12x-192=0

x(x+16)-12(x+16)=0

(x+16)(x-12)=0

THEREFORE

X=-16 and X=12

Answer 2

Step-by-step explanation:

may this help you. tha is (-) not (+)