lovinglyhated
i'm stuck i need help factoring out this>
7k^2+9k
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anonymous
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each has a common factor of \(k\) so you can "factor it out"
lovinglyhated
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so i keep getting 16 but i'm not sure if thats right
Callisto
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It's not correct. When you take out the common factor k, what is left for each term?
lovinglyhated
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7 and 9
lgbasallote
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remember.. \[7k^2 = 7k \times k\]
lovinglyhated
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ok
lovinglyhated
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so i have 63
Callisto
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You cannot multiply the terms...
One example:
factor x^2 + 2x
In this case, x is the common factor. Take it out and group the rest of the terms, that is
x^2 + 2x
= x (x) + 2(x)
= x ( x+2)
Can you try again for your question?
lovinglyhated
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so is k(7k+9) correct
Callisto
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Yes.
lovinglyhated
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thanks