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Mathematics 7 Online
OpenStudy (anonymous):

Algebra

OpenStudy (anonymous):

@ganeshie8

OpenStudy (anonymous):

its question 17

OpenStudy (imstuck):

This factors out to (x-7)(x+3).

OpenStudy (imstuck):

If a = 7 and b = -3, then they will fill in your expression as such:\[(7)^{2}+(-3)^{2}+(7)+(-3)\]

OpenStudy (imstuck):

49+9+7-3=

OpenStudy (imstuck):

62

OpenStudy (imstuck):

TY for the medal!

OpenStudy (anonymous):

thanks for your help!

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