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Factor the polynomial given a common factor.
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Factor the polynomial given a common factor.
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Sep 12, 2018
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Factor the polynomial given a common factor.
Mathematics
high-school
Alexandre Catalano
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Alexandre Catalano
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2
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if you have the polynomial
x -
by factoring out
then the result would be:
x -
=
[(
÷
x) - (
÷
)]
=
( x -
)
Sashaegorov
answered
Sep 14, 2018
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Sashaegorov
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The answer that goes in the blank is
x-pi/2
Where the "-pi/2" part is its own fraction (x is not part of it; i.e., x is not in the numerator of the fraction).
-------------------------------------
To find this answer, we need to ask ourselves: "1/3 times what quantity will give us (1/3)x?". The answer to this sub-question is simply x. In other words, 1/3 times x is (1/3)x. That takes care of the first part.
For the second part, we have 1/3 times something equal to -pi/6. That "something" must be -pi/2. Note how
(1/3)*(-pi/2) = (1*(-pi))/(3*2) = -pi/6
So you have to think backwards in a sense. Or you can treat it like this
(1/3)*y = -pi/6
Multiplying both sides by 3 leads to
y = -pi/2
UnSat
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Sep 16, 2018
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UnSat
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