Answer:
5(x2 + 3x) = 5(22 + 3
Step-by-step explanation:
Hope it is helpful....
Equation: <span>3b+4b^2-a^3
Given: </span><span>a=3 & b=-5
Plug 3 in for (a) and -5 in for (b):
</span><span>3(-5)+4(-5)^2-(3)^3
</span>
Now follow PEMDAS:
<span>3(-5) + 4(-5)^2 - (3)^3
</span>-15 + 4(-5)^2 - (3)^3
-15 + 100 - (3)^3
-15 + 100 - 27
85 - 27
58
the asnwer is 58.
X - 9 is greater than or equal to 3 and less than or equal to 8. can’t format correctly sorry