Question

5 Find the products.
(a) 7y2 (-6y2 + 6y - 32)
бу )​

Answer 1

${7y}^{2} ( - 6 {y}^{2} + 6y - 32) \\ = > (7 {y}^{2} \times - 6 {y}^{2} ) + ( {7y}^{2} \times 6y) - (7 {y}^{2} \times 32) \\ = > - 42 {y}^{4} + 42 {y}^{3} - 224$

ANSWER

- 42y⁴ + 42y³ - 224