Question

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please say the answer​

Answer 1

Answer:

$1)\: {x}^{3} + 5 {x}^{2} + 3x + ( - 8 {x}^{3} + 6 {x}^{2} + 8) \\ \\ {x}^{3} - 8 {x}^{3} + 5 {x}^{2} + 6 {x}^{2} + 3x + 8 \\ \\ - 7 {x}^{3} + 11 {x}^{2} + 3x + 8$

$2)\: {x}^{3} + 3 {x}^{2} y + 3x {y}^{2} - 2 - ( {x}^{3} - 2x {y}^{2} + 5 {x}^{2} y - 6) \\ \\ {x}^{3} + 3 {x}^{2} y + 3x {y}^{2} - 2 - {x}^{3} - 5 {x}^{2} y + 2x {y}^{2} + 6 \\ \\ {x}^{3} - {x}^{3} + 3 {x}^{2} y - 5 {x}^{2} y + 3x {y}^{2} + 2x {y}^{2} - 2 + 6 \\ \\ - 2 {x}^{2} y + 55x {y}^{2} + 4$

Hope it helps