Answer:
(2a + 3x)(x^2 + a)
Step-by-step explanation:
Factor 3x3 +3ax+ 2ax^2 +2a^2
2ax^2 + 3x^3 + 2a^2 + 3ax
=(2a+3x)(x^2+a)
Answer:
The amount invested at 4% was $600
The amount invested at 7.5% was $3,600
Step-by-step explanation:
Let
x ----> the amount invested at 4%
$4,200-x -----> amount invested at 7.5%
we know that
The total interest earned is equal to the interest earned by the amount invested at 4% plus the interest earned by the amount invested at 7.5%
Remember that



so
The linear equation that represent this situation is

Solve for x





therefore
The amount invested at 4% was $600
The amount invested at 7.5% was $3,600
Answer:
s>2
Step-by-step explanation:
2 + 4s >10
First, subtract 2 on both sides.
2 + 4s >10
<u>-2 -2</u>
4s>8
Divide by 4 on both sides to isolate x.
4s>8
<u>/4 /4</u>
s>2
Hope this helped you out! Have a great day c:
Answer:
its b
Step-by-step explanation:
read it