For the first step, express this as a difference of two squares, and use the corresponding formula. After factoring this, one of the two factors will again be the difference of two squares, and can be further factored.
Chat with our AI personalities
(a + b)3 = a3 + 3a2b + 3ab2 + b3
There is no good step. The fact that it is extremely difficult to establish that the only common factor is 1 is the basis of modern digital security.
Factor x4 - 81. Step 1: both numbers have square roots and have a minus sign between them so the first factor result is (x2+9)(x2-9). Step 2: (x2+9) does not factor, but (x2-9) factors to (x+3)(x-3). Step 3: Solution is (x2+9)(x+3)(x-3).
i need help making a pentagonal prism step by step
Example: 30 and 42 Factor them. 2 x 3 x 5 = 30 2 x 3 x 7 = 42 Select the common factors. 2 x 3 = 6, the GCF