mikepfeifer3324 mikepfeifer3324

06-03-2024
Mathematics

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(ax + 3)(5x² - bx + 4) = 20x³ - 9x² - 2x + 12
The equation above is true for all x, where a and b are constants. What is the value of ab ?
A 18
B 20
C 24
D 40

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