Question

please faxtoise this I will mark you as a brainliest and I will follow you​

Answer 1

Answer:

See answer in above picture

Answer 2

x = {-2,-1,2}

x³+x²-4x-4 = 0

x²(x+1)-4(x+1) = 0

(x²-4)(x+1) = 0

Therefore, x²-4 = 0 & x+1 =0

Therefore, x = ±2 or -1

Thus, x={-2,-1,2}