3ab - a - 3b2 + b
= -3b2 + 3ab + b - a
= -3b(b - a) + 1(b - a)
= (1 - 3b)(b - a)
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9a4-b2=36a-2b=2(18-b) But if you meant 9a^4-b^2 it is not possible to factor
To factorize the expression abxb + acxc, we first identify the common factors in each term. In this case, the common factors are b in the first term and c in the second term. We then factor out these common factors to get b(a + x) + c(a + x). Finally, we factor out the common binomial factor of (a + x) to get (a + x)(b + c) as the fully factorized expression.
2 x 3 x 3 x b x c = 18bc
(2a + 3)(b - 3c)
Use a^3 + b^3 = (a + b)(a^2 - ab + b^2), where a^2 is a squared, a^3 is a cubed. Note that 216 = 6^3.