This is similar to Problem 2 from your Section 4.3 worksheet.

Factor out the GCF.

$(b+6)(9 x + 9)-(9 x + 9) = \big($ $\big) \big($ $\big)$

$x^2(2 a - 3)+y^2(2 a - 3)^2 = \big($ $\big) \big($ $\big)$

Hint:

Hint: