Question

(3a-x)(b+2x)-(x-3a)(b-2x)

Answer 1

Ok... so first use FOIL to combine the terms a bit.

(3a-x)(b+2x)-(x-3a)(b-2x) ----> 3ab+6ax-bx-2x²-(bx-2x²-3ab+6ax)

Now, we can combine like terms.

3ab+6ax-bx-2x²-(bx-2x²-3ab+6ax) ---> 6ab-2bx

answer: 6ab-2bx

Answer 2

Good evening