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
Question
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]

Questions asked by the same visitor
Perform the indicated operation. 5/8 + 7/12
Question
Updated 3/22/2016 11:03:08 AM
5/8 + 7/12
= 15/24 + 14/24
= 15 + 14/24
= 29/24
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