SOLUTION: solve: 3a^3-42a^2+147a=2a-14 choices: 1) +7, -7 2) +7 only 3) -7 only 4) none of these

Question 153301: solve:
3a^3-42a^2+147a=2a-14
choices:
1) +7, -7
2) +7 only
3) -7 only
4) none of these
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
solve:
3a^3-42a^2+147a=2a-14
Rearrange:
3a^3 - 42a^2 + 145a + 14 = 0
Solutions are x=7; x=7.09..., x = -0.09....
Cheers,
Stan H.
=================
choices:
1) +7, -7
2) +7 only
3) -7 only
4) none of these

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