Question

factor 36b^2-49

Answer 1

Note: 36 = 6², 49 = 7²

Answer 2

Difference of squares.

Answer 3

but how would you form that to make an answer?

Answer 4

(6b-7)(6b+7)

Answer 5

When you FOIL you will see.

Answer 6

I SEEE. IT BECOMES 36b^2 etc

Answer 7

Yup,so the 6b*7 and the 6b*-7 will cancel out, that is the property of difference of squares. If both the number before the variable and the final number are perfect squares, this will work.

Answer 8

thank you!!