Evaluate
\left(17x^{2}-8x-4\right)\left(4x^{4}-5x^{3}+6x^{2}-10x+9\right)
Expand
68x^{6}-117x^{5}+126x^{4}-198x^{3}+209x^{2}-32x-36
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\left(4x^{4}-5x^{3}+6x^{2}-10x+9\right)\left(17x^{2}-8x-4\right)
Combine 9x^{2} and 8x^{2} to get 17x^{2}.
68x^{6}-117x^{5}+126x^{4}-198x^{3}+209x^{2}-32x-36
Use the distributive property to multiply 4x^{4}-5x^{3}+6x^{2}-10x+9 by 17x^{2}-8x-4 and combine like terms.
\left(4x^{4}-5x^{3}+6x^{2}-10x+9\right)\left(17x^{2}-8x-4\right)
Combine 9x^{2} and 8x^{2} to get 17x^{2}.
68x^{6}-117x^{5}+126x^{4}-198x^{3}+209x^{2}-32x-36
Use the distributive property to multiply 4x^{4}-5x^{3}+6x^{2}-10x+9 by 17x^{2}-8x-4 and combine like terms.
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