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Mathematics
Devon
1 July, 15:03
What is the sum of (x^2+6x-5) + (2x^2+15)
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Nia Lamb
1 July, 18:16
0
3x^2 + 6x + 10
Step-by-step explanation:
Because we're adding it, it doesn't matter if we just take out the parenthesis.
X^2 + 2x^2 gives us 3x^2.
6x stays the same.
-5 + 15 gives us 10.
3x^2 + 6x + 10
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