6. Factor the following polynomial completely: 30y^6 + 25y^5 - 10y^4 A. 10y^4 (3y^2 + 2y - 1) B. 5y^2 (6y^4 + 5y^3 - 2y^2) C. 5 (6y^6 + 5y^5 - 2y^4) D. 5y^4 (6y^2 + 5y - 2) 7. Multiply the binomoial: (x-9) (x+2) A. x^2 - 7x - 18 B. x^2 - 11x - 18 C. x^2 - 7x + 18 D. x^2 + 7x - 18 8. Multiply the binomial and the trinomial: (x-2) (x^2 + 2x + 4) A. x^3 + 8x^2 + 8x + 8 B. x^3 - 8 C. x^3 + 6x + 6x - 8 9. Simplify the following expression: (x-9) ^2 A. x^2 + 18x + 81 B. x^2 - 18x + 81 C. x^2 + 81 D. x^2 - 81 10. Multiply the binomials: (x-8) (x+8) A. x^2 + 18x + 81 B. x^2 - 18x + 81

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5 October, 02:03

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Pongo · Answer 1

Try taking out the like-terms of the first expression then factor from there.