In Exercises 138-141, factor completely.
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College Algebra
- A polynomial D(x) = 3x³–2x² – 15x + 14 has known factors (x-2) and (x-1). Would you use a diagram, long division, or some other method to rewrite the expression for D in factored form? Explain | your reasoning.arrow_forwardIn Exercises 9-14, perform the indicated operations. Write the resulting polynomial in standard form and indicate its degree. – 13) 9. (-6r3 + 5x? - &r + 9) + (17x³ + 2x? – 4x - 11x + 13) + (19x – 11x? + 7x – 17) 10. (-7x + 6x2 11. (17x³ – 5x² + 4x – 3) – (5x – 9x² 12. (18x – 2r³ – 7x + 8) – (9x – 6x &x + 11) 5x + 7) 13. (5x? — 7х — 8) + (2x? - Зх + 7) - (x? — 4х —- 3) 14. (&x? + 7x – 5) – (3x² – 4x) – (-6x³ – 5x2 + 3)arrow_forward
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