SOLUTION: 3x*(x^2+3x-28)/(x^4-3x^3+7x^2+11x-56)=0

Algebra.Com
Question 1074509: 3x*(x^2+3x-28)/(x^4-3x^3+7x^2+11x-56)=0
Answer by stanbon(75887)   (Show Source): You can put this solution on YOUR website!
3x*(x^2+3x-28)/(x^4-3x^3+7x^2+11x-56)=0
----
That fraction is zero when the numerator is zero::
Solve:: 3x(x-7)(x+4) = 0
----
x = 0 or x = 7 or x = -4
----
Cheers,
Stan H.
-------------

RELATED QUESTIONS

multiply 2x^2 - x - 3/3x^2 + 7x + 4 . 3x^2 - 11x - 20/4x^2 -... (answered by jayanthihemkos@yahoo.com)
Solve by using the quadratic formula... 1. x^2-x-2=0 2. x^2=3x+12 3. 4x^2-3x+3=0 4.... (answered by scianci)
x^2-3x-28=0 work x^2 - 3x = 28 x^2 - x =... (answered by jim_thompson5910)
x^4+3x^2-28=0 (answered by KMST)
Multiply. 2x^2 - x - 3/3x^2 + 7x + 4 times 3x^2 - 11x-20/4x^2 - 9... (answered by gsmani_iyer)
rational expressions. Multiply 2x^2-x-3 3x^2-11x-20 -------- * -----------... (answered by funmath)
Multiply the following fraction. 2x^2 – x -3 / 3x^2 + 7x + 4 * 3x^2 – 11x – 20 / 4x^2 (answered by rmromero)
multiply the fractions:... (answered by Edwin McCravy)
X^2+3x-28=0 (answered by solver91311)