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OpenStudy (anonymous):
What is the factored form of the expression? d^2-13d+30 a. (d+10)(d+3) b. (d+10)(d-3) c. (d-10)(d+3) d. (d-10)(d-3)
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OpenStudy (adamk):
FOIL out all the answer choices if you have to.
OpenStudy (anonymous):
\[d^2-13d+30 =\\d^2-10d-3d+30=\\d(d-10)-3(d-10)=\\(d-3)(d-10)\Rightarrow D\]
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