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Inga
[223]
2 years ago
7
Subtract 7x^2+4x-9 from 5x^2+10x-5. Express the answer in descending degree order
Mathematics
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2
answers:
nata0808
[166]
2 years ago
4
0
Hi there!
To subtract this, we can only subtract like terms. That means we only subtract 7x^2 and 5x^2, 4x and 10x, and -9 and -5. It might make more sense after the work below:
7x^2 - 5x^2 = 2x^2
4x - 10x = -6x
-9 - -5 = -4
So, the answer is
2x^2 - 6x - 4
Hope this helps!
Send
Ugo
[173]
2 years ago
4
0
Answer:
2x^2 - 6x - 4
Step-by-step explanation:
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