Question

(5r+7)(5r-7)

*Multiplying Polynomials

Answer 1

simplify the product
(5r + 7) x (5r - 7)

rewrite & evaluate the power
(5r)^ - 7^


final answer: 25r^ - 49

Answer 2

25r^2−49

Explanation:

5r+7)(5r+−7)

=(5r)(5r)+(5r)(−7)+(7)(5r)+(7)(−7)

=25r^2−35r+35r−49

=25r^2−49