I'll do one for you to start you out.
1. (-2a)(a+7) = -2a^2-14a
Use a similar process to do the rest.
use the distributive prperty to rewrite the expression without parentheses.
1. (-2a)(a+7)
2. (-3x)(-x^2+2)
3. (2x + 11)(5x)
4. (-2-3y)(-7y^2
5. (t-4)(-2)
6. (x)(x-5)
2 answers
9(z+3)