Question

Find the products:(i) (5-2x)(3+X) (ii) (X+7y)(7x-y)bNOTE:WITH STEP BY STEP EXPLAINETIO ALSO MARKED AS BRINALIST​

Answer 1

Answer:

1) (5-2x)(3+x) = 5(3+x)-2x(3+x)

= 15 + 5x -6x + -2x²

= -2x² -x + 15

2) (x+7y)(7x-y) = x(7x-y)+7y(7x-y)

= 7x²-xy+49xy -7y²

= 7x²-7y²+48xy