Question

I need help and I will mark brainliest!

Answer 1

Step-by-step explanation:

$8 {x}^{8} + 28 {x}^{6} + 18 {x}^{4} \\ \\ = 2 {x}^{4} (4 {x}^{4} + 14 {x}^{2} + 9) \\ \\ \therefore \: Ax^B = 2 {x}^{4} \\ \\ \implies \: A = 2 \: \: \: \: \\\\\& \: \: \: \: \: \: \: \:B = 4$