Question

Multiply using the rule for the square of a binomial. (2x+7)^(2)

Answer 1

4x² + 28x + 49

Explanation:

rule:(a + b)² = a² + 2ab + b²

(2x+7)^2=(2x)² + 2(2x)(7) + 7²

= 4x² + 28x + 49