3×-7= -21
3×-x=-3x
-21-3x. =9
_____
2
6. if the number is 91.8, your answer is 459
7. 50 percent
8. 85 percent
Answer:
18x^5 +28x^2
Step-by-step explanation:
20x^2 + 14x^5 + 8x^2 + 4x^5
Combine like terms
20x^2 + 8x^2 + 4x^5+ 14x^5
28x^2 + 18x^5
We usually write the highest power term first
18x^5 +28x^2
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