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Given that (3x - 8) * (3x + 2) - (4x - 11) * (2x + 1) = (x - 3) (x + 7). What is the value of 9x?

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Given that (3x - 8) * (3x + 2) - (4x - 11) * (2x + 1) = (x - 3) (x + 7). What is the value of 9x?
posted Jan 9, 2020 by Mridul

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1 Answer

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(3x - 8) * (3x + 2) - (4x - 11) * (2x + 1) = (x - 3) (x + 7)
9x^2+6x-24x-16-8x^2-4x+22x+11=x^2+7x-3x-21
4x=16
x=4
9x=36

answer Jan 10, 2020 by Hanifa Mammadov



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