Question

(7x-1)^2

what is the answer to this question and how do you do the work?

Answer 1

49x^2−14x+1

Explanation:

(7x+−1)(7x+−1)

=(7x)(7x)+(7x)(−1)+(−1)(7x)+(−1)(−1)

=49x2−7x−7x+1

=49x2−14x+1