Question

Find the product : (4x-7x³+x²-5) (2-3x)​

Answer 1

Answer:

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Step-by-step explanation:

$(4x-7x {}^{3} +x {}^{2} -5) (2-3x) \\ \\ 2(4x-7x {}^{3} +x {}^{2} -5) - 3x(4x-7x {}^{3} +x {}^{2} -5) \\ \\ 8x - 14 {x}^{3} +2 {x}^{2} - 10 - 12 {x}^{2} + 21 {x}^{4} - 3x {}^{3} + 15x \\ \\ 21 {x}^{4} - 14 {x}^{3} - 3 {x}^{3} + 2 {x}^{2} - 12 {x}^{2} + 15x + 8x - 10 \\ \\ 21 {x}^{4} - 14 {x}^{3} - 10 {x}^{2} + 23x - 10$