Question 530545
(6x^7 - 6)(x^9 - 1)
= 6x^7(x^9) + 6x^7(-1) - 6(x^9) - 6(-1) {used foil method}
= 6x^16 - 6x^7 - 6x^9 + 6 {multiplied through, adding exponents when multiplying}
= 6x^16 - 6x^9 - 6x^7 + 6 {combined like terms}
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