Simplify what's in brackets first, then move to what's in the parenthesis
There are no zeroes for an expression, only for equations.
Assuming equation to be
<span>−7x^2 − 91x − 280=0
-7(x^2+13x+40)=0
-7(x+8)(x+5)=0
by the zero product properties,
x+8=0 => x=-8
or
x+5=0 => x=-5</span>
Answer: 1. 57
2. 43
3. 20
4. 32
5. 16
Step-by-step explanation: am here to help
Answer:
(2,6)
Step-by-step explanation:
