Question

(1 - 7x)(1 + 9x)

Answer 1

1+2x-63x^2 explanation? is that what u wwere looking for?

Answer 2

thank you can you help me answer this question (ab - 9)(ab + 8)

Answer 3

yup, its \[a^2b^2-ab-72\] explanation?

Answer 4

thank you can you keep helping me (w + x)(w + x) :)