Mathematics, 15.07.2020 01:01 challenggirl

(ax+3) (5x^2-bx+4)=20x^3-9x^2-2x+12 the equation above is true for all x where a and b are constants. what s the value of ab?

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(ax+3) (5x^2-bx+4)=20x^3-9x^2-2x+12 the equation above is true for all x where a and b are constants...

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