SOLUTION: If the equation (mx-3)(2x+4) is simplified to 24x^2+42x-12 how do I find thevalue of m??

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Question 1008046: If the equation (mx-3)(2x+4) is simplified to 24x^2+42x-12 how do I find thevalue of m??
Answer by fractalier(6550) About Me  (Show Source):
You can put this solution on YOUR website!
For (mx-3)(2x+4) to equal 24x^2+42x-12,
2mx^2 has to equal 24x^2.
That means
2m = 24
m = 12