divide the following x square + 7 x plus 12 divided by X Plus 3
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(x square +7x + 12) / ( x+3)
(x square + ( 3+4) x + 12) / (x+3)
(x square + 3x) + (4x + 12) / ( x+3)
x(x+3) + 4( x+3) / (x+3)
(x + 4) ( x+3) / ( x+3)
= x+4 (proved)
(x square + ( 3+4) x + 12) / (x+3)
(x square + 3x) + (4x + 12) / ( x+3)
x(x+3) + 4( x+3) / (x+3)
(x + 4) ( x+3) / ( x+3)
= x+4 (proved)
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