A)
36 - a^2 = (6 + a)(6 - a)
B)
9p^2 - q^2 / 18 + 3a = (3p + q)(3p - q) / 3(6 + a)= (3p + q)(3p - q) / 3(6 + a)= (3p + q)(3p - q) / 3(3)(2 + a)= (3p + q)(3p - q) / 3(3)(2 + a)= (3p + q)(3p - q) / 3 * 3(2 + a)= (3p + q)(3p - q) / 3(2 + a)= (3p + q)(3p - q) / 3(2 + a)
A)
36 - a^2 = (6 + a)(6 - a)
B)
9p^2 - q^2 / 18 + 3a = (3p + q)(3p - q) / 3(6 + a)
= (3p + q)(3p - q) / 3(6 + a)
= (3p + q)(3p - q) / 3(3)(2 + a)
= (3p + q)(3p - q) / 3(3)(2 + a)
= (3p + q)(3p - q) / 3 * 3(2 + a)
= (3p + q)(3p - q) / 3(2 + a)
= (3p + q)(3p - q) / 3(2 + a)