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OpenStudy (studyhelp):
subtract and simplify (13x^2+2)-(4x^2+2x-7) 9x^2-2x+9 9x^2+2x+9 9x^2-2x-5 17x^2+2x-5
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OpenStudy (photon336):
first distribute the negative sign
OpenStudy (studyhelp):
(-4x^2-2x+7)?
OpenStudy (photon336):
yes then combine like terms now
OpenStudy (photon336):
\[13x^{2}+2-4x^{2}-2x+7\]
OpenStudy (studyhelp):
17x^2+2x-5?
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OpenStudy (studyhelp):
@Photon336 17x^2+2x-5?
OpenStudy (photon336):
\[13x^{2}-4x^{2}-2x+2+7 = (9x^{2}-2x+9)\]
OpenStudy (studyhelp):
thanks for the explanation
OpenStudy (photon336):
anytime
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