Factor the following:
a) f(x)=x^5+5x^4-21x^3-137x^2-88x+240, knowing that f(5)=0 and
f(-3)=0.
b) f(x)=x^3+8x^2+5x-50
c)f(x)=-x^4-4x^3+19x^2+46x-120, knowing that (x+5) and (x-2) are
factors.
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Factor the following:
a) f(x)=x^5+5x^4-21x^3-137x^2-88x+240, knowing that f(5)=0 andf(-3)=0.
b) f(x)=x^3+8x^2+5x-50
c)f(x)=-x^4-4x^3+19x^2+46x-120, knowing that (x+5) and (x-2) arefactors.
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