Question

multiply
-2y + 6x; -3x + 5y : 4y + 2x​

Answer 1

Answer:

(-9^2 + 18 - 5^2 ) / ( 2+5)

Answer 2

$\pink{solution}</p><p> \\ \\ = ( - 2y + 6x)( - 3x + 5y) \\ \\ = -2y( - 3x + 5y) + 6x( - 3x + 5y) \\ \\ = 6xy - 10 {y}^{2} - 18 {x}^{2} + 30xy \\ \\ = - 18 {x}^{2} - 10 {y}^{2} + 36xy \\ \\ \pink{now} \\ \\ (4y + 2x)( - 18 {x}^{2} - 1 0{y}^{2} + 36xy) \\ \\ = 4y( - 18 {x}^{2} - 10 {y}^{2} + 36xy) \\ + 2x( - 18 {x}^{2} - 10 {y}^{2} + 36xy) \\ \\ = - 72 {x}^{2} y - 40 {y}^{3} </p><p> + 144x {y}^{2} \\ - 16 {x}^{3} - 20x {y}^{2} + 144 {x}^{2} y \\ \\ = - 16 {x}^{3} - 40 {y}^{3} + 72 {x}^{2} y + 124x {y}^{2}$

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