SOLUTION: factor the quadratic expression completely, and find the roots of the expression.
135x^2 - 222x + 91
6x^2 - 42x + 72
Algebra.Com
Question 48579: factor the quadratic expression completely, and find the roots of the expression.
135x^2 - 222x + 91
6x^2 - 42x + 72
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
factor the quadratic expression completely, and find the roots of the expression.
135x^2 - 222x + 91
x= [222+-sqrt(222^2-4(135)(91)]/270
x=[222+-12]/270
x=13/15 or x=7/9
Factors are:
(15x-13) and (9x-7)
---------------------------
6x^2 - 42x + 72
x=[42+-sqrt(42^2-4(6)(72)]/12
x=[42+-6]/12
x=4 or x=3
Factors are
6(x-4)(x-3)
----------------------------
Cheers,
Stan H.
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