(w-4u-7)(2w+3)

Question

i dont understand it

Answer 1

Elijah, this is a polynomial multiplication problem.  If you have learned FOIL, that is partway there.  You have to make sure that each term in the trinomial is multiplied by each term in the binomial.  It will go something like:

w*2w + w*3 + (-4u)*2w + (-4u)*3 + (-7)*2w + (-7)*3

Do your multiplying, combine like terms, and you will have your answer.  Notice how the 2w and 3 are repeated in my string.  Also, don't forget to put the signs with the next number, like in -4u and -7.  Good luck.

Wendy