Question

pls tell me anyone this question​

Answer 1

Answer:

A)

${ - 42y}^{4} + \: {42y}^{3} - 224 {y}^{2} \\ \\ b. \: {21x}^{4}yz \: + 6 {x}^{2} {y}^{2}z \: + 3 {x}^{2}y {z}^{2} + 12 {x}^{2}yzw$

Your answers

Answer 2

Answer:

(a) (7y²×-6y²)+(7y²×6y)+(7y²×-32)

:. -42y⁴+42y³+224y²

(b) (3x²yz×7x²)+(3x²yz×2y)+(3x²yz×z)+(3x²yz×4w)

:. 21x⁴yz + 6x²y²z + 3x²yz² + 12x²yzw