Question

Add -10x2+5+3 and -2x2-3x+6

Answer 1

$(- 10 {x}^{2} + 5 + 3) + ( - 2 {x}^{2} - 3x + 6) \\ \\ ( - 10 {x}^{2} - 2 {x}^{2} ) + ( - 3x) + (8 + 6) \\ \\ - 12 {x}^{2} - 3x + 14 \\ \\ - (12 {x}^{2} + 3x - 14)$

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