428,275 views
13 votes
13 votes
How do you multiply x-7 by x-7 when multiplying polynomials?

User TheDavidBarton
by
2.5k points

1 Answer

25 votes
25 votes

Let's multiply x - 7 * x - 7


x^2-7x-7x+49=x^2-14x\text{ + 49}

You multiply using the distributive property:

x * x, then x * -7, then x * - 7 and finally -7 * -7

User Selima
by
3.0k points