Question

Given the following perfect square trinomial, fill in the missing term. (Do not type the variable in the blank.)

4x^2 + ___x + 49

Can u just expaliin to me and not give the answer?

Answer 1

well considering a^2 + 2ab + b^2 as general form

here
a=2x and b=7

so 2ab = 2(2x)(7) = 28x

Answer 2

so the missing value is 28

Answer 3

Thank you, now i get it .

Answer 4

glad to help :)

Answer 5

Missing value - 28(7 * 2x * 2).