Question: 7.4 Practice WITH CalcChat AND CalcView In Exercises 1-8, simplify the expression, if possible. (See Example 1.) 1. 2x2 2. - x2 3x2 - 4x

7.4 Practice WITH CalcChat AND CalcView In Exercises 1-8, simplify the expression, if possible. (See Example 1.) 1. 2x2 2. - x2 3x2 - 4x 2x2 + 5x 3. x - 3x - 18 x- + 13x + 36 x2 - 7x + 6 x2 - 7x + 10 5. * + Ilx + 18 6. 12 - 7x + 12 x3 + 8 x3 - 27 7. 3214 - 50 4x3 - 12x2 - 5x + 15 8. 3x3 - 3x2 + 7x - 7 27x4 - 147 In Exercises 9-18, find the product. (See Examples 2, 3 and 4.) 9. 4xy3 Xy &.x 10. 3x3y 11. X- ( x - 4) . ( x - 3)(x + 6) x - 3 12. *'( x + 5). (x - 9)(x + 8) x-9 3.x3 13. x2 - 3x x2+ x - 6 14. X2 - 4x x2 + 3x - 4 x - 2 X x - 1 2x 15. x2 + 3x - 4 2x2 + 4x 2x2 + 2x x2 + 4x + 4 x2 -4x + 3 16. X2-x-6 4x3 x2 + 5x + 6 Big Ideas Learning, LLC 17. * + 5x - 36 . (x2 - 1 1x + 28) x2 - 49 18. * - x - 12 . (x2 + 2x - 8) x2 - 16

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