Find the sum of 2x 2 + 3x - 4, 8 - 3x, and -5x 2 + 2.
2x^2 + 3x - 4 + (8 - 3x) + (-5x^2 + 2); = 2x^2 - 5x^2 + 3x - 3x - 4 + 8 + 2; = -3x^2 + 0 + 4 + 2; = -3x^2 + 6
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Updated 3/24/2016 1:32:40 AM
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2x^2 + 3x - 4 + (8 - 3x) + (-5x^2 + 2);
= 2x^2 - 5x^2 + 3x - 3x - 4 + 8 + 2;
= -3x^2 + 0 + 4 + 2;
= -3x^2 + 6
Confirmed by Andrew. [3/24/2016 10:25:57 AM]

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