Question

by how much is 6x³ + 6x² + 5x + 9 greater than 5x³- 10x³+3 m

I need photo solution please help me it's urgent​

Answer 1

$(6 {x}^{3} + 6 {x}^{2} + 5x + 9) - (5 {x}^{3} - 10 {x}^{2} + 3 ) \\ \\ = > 6 {x}^{3} - 5 {x}^{3} + 6 {x}^{2} + 10 {x}^{2} + 5x + 9 - 3 \\ \\ = > {x}^{3} + 16 {x}^{2} + 5x + 6$

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