add 7x²-4x+5 and 9x-10
Answers
Answered by
1
5x + 7x² - 5
hope it helps you
Answered by
8
Answer:
7x²+5x-5
Step-by-step explanation:
7x²-4x+5 + (9x-10)
7x²-4x+5+9x-10
7x²-4x+9x+5-10
7x²+5x-5
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