7. Factor fully. a) 4 x² - 81 b) 16x40x² + 25x 8. Solve -4x + 60x³ = 200x² SITU

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Chapter6: Quadratic Equations And Inequalities
Section6.S: Summary
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7. Factor fully.
a) x²-81
b) 16x²-40x² + 25x
8.
Solve-4x + 60x³ = 200x²
9. Determine the x-intercepts of the graph of each polynomial
function.
a) 6x² + 13x² + 2x
b)
-36x +14x³ + 2x²
Transcribed Image Text:7. Factor fully. a) x²-81 b) 16x²-40x² + 25x 8. Solve-4x + 60x³ = 200x² 9. Determine the x-intercepts of the graph of each polynomial function. a) 6x² + 13x² + 2x b) -36x +14x³ + 2x²
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