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8. Using the pattern for factoring the sum of 2cubes what is the factored form of 8 + +?A (2+0)(4+2+)6. (2+1)(4-21+4)C (t+2)( 1-2t+4)D (2+1)(4-21-)9. Which of the following factors gives a productof x + 5x + 47.A (X + 1)(x + 4)B (x + 2)(x + 2).C. (x+5)(x - 1)D. (x + 2)10. Find the missing terms(X + (3x + ) = 3x2+5X-2A 27B. -2, -1C. -2.1D 2-111. What is the factored form of 2x2 + 11x - 6?A (2x+1)(x-6)B (2x-1)(x-6)C. (2x-1)(x+6)D. (2x+1)(x+6) |
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Answer» Answer: The SUM or DIFFERENCE of TWO cubes can be FACTORED into a product of a binomial TIMES a trinomial. That is, x3+y3=(x+y)(x2−xy+y2) and x3−y3=(x−y)(x2+xy+y2) . |
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