Question 271393: how do i do this?? Help please I dont understand! m(2m-16)=12 Found 2 solutions by Zyzden, checkley77:Answer by Zyzden(7) (Show Source):
You can put this solution on YOUR website! To solve for m do the following:
1.) Multiply by m to get:
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2.) Subtract 12 from both sides to get:
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3. Solve for m using your favorie method of solving quadratics.
You can put this solution on YOUR website! m(2m-16)=12
2m^2-16m-12=0
2(m^2-8m-6)=0
m=(8+-sqrt[-8^2-4*1*-6])/281
m=(8+-sqrt[64+24])/2
m=(8+-sqrt88)/2
m=(8+-9.38)/2
m=(8+9.38)/2
m=17.38/2
m=8.69 ans.
m=(8-9.38)/2
m=-1.38/2
m=-.69 ans.