Homework Help: Pre-calc

Posted by Anonymous on Monday, January 25, 2010 at 5:18pm.

Solve these equations for x by factoring:

1) x(x-4)=12
2) 2x^3+50x=20x^2
3) 2x^2+x-6=0

Thank you for all your help!!!!

Pre-calc - bobpursley, Monday, January 25, 2010 at 5:23pm
Pre calculus? This is stock Algebra II.

put the equations in the form of

ax^2+bx+c=0 then factor.

for instance, c is already in that form.

2x^2+x-6=0
(2x-3)(x+2)=0
x= 3/2 x=-2

do the others the same method.

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