Solve (4x²+4x-3)+(4x²+4x-3)+(2x²+5x-12)
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Step-by-step explanation:
sorry I can't this
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1
Step-by-step explanation:
(4x^2 + 4x - 3) + (4x^2 + 4x - 3) + (2x^2 + 5x - 12)
4x^2 + 4x - 3 + 4x^2 + 4x - 3 + 2x^2 + 5x - 12
=10x^2 + 13x - 18
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