Answer:
x² + 13x + 30
Step-by-step explanation:
(x + 3) (x + 10)
Expand the brackets.
x(x + 10) + 3(x + 10)
x² + 10x + 3x + 30
Add like terms.
x² + 13x + 30
If you are given that b = 2, then just plug it in:

So, your final answer is
0.
Answer:
A.
Step-by-step explanation:
It's false
Answer:
(-5)(-9)
Step-by-step explanation:
any negative multiplied by any negative will always equal a positive