SOLUTION: I'm stuck on these two, could anyone help please? Factor the algebraic expressions completely: 6x^2 - 28x + 16 and x^4 + 2x^3 - 3x

SOLUTION: I'm stuck on these two, could anyone help please? Factor the algebraic expressions completely: 6x^2 - 28x + 16 and x^4 + 2x^3 - 3x - 6 Thank you very much!

Question 58340: I'm stuck on these two, could anyone help please?
Factor the algebraic expressions completely:
6x^2 - 28x + 16
and
x^4 + 2x^3 - 3x - 6
Thank you very much!
Answer by funmath(2933) (Show Source): You can put this solution on YOUR website!
Factor the algebraic expressions completely:
There are other method you can use for the first polynomial. I am grouping or using the ac method or using the arch method it's got a lot of names.
First factor out the GCF, 2.
2 factors that multiply to give you ac=3*8=24, but add to give you b=-14 are -12 and -2 (-12*-2=24 and -2-12=-14) Replace the middle term with -12x-2x
Group the first two and last two terms
Factor out the GCF in each parenthesis.
Factor out the x-4

:
and
:
You have to facto by grouping.
Group the first two terms and the last two terms.
Factor the GCF out of each.
Factor (x+2) out of each.

:
Happy Calculating!!!
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