A=x²-2x ,B=5x+2x² ,C=2x²+7x , then find A+B+C
Answers
Answered by
1
Answer:
5x²+10x
Step-by-step explanation:
put all value in A+B+C
Answered by
0
Answer:
A+B+C=x²-2x+5x+2x²+2x²+7x
=5x²+10x
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