aiyannaholt aiyannaholt

01-10-2018
Mathematics

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Simplify (25x2 − 14xy + 4) − (7x2 − 9y) + (2xy + 7)

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choixongdong choixongdong

01-10-2018

(25x^2 − 14xy + 4) − (7x^2 − 9y) + (2xy + 7)

= 25x^2 − 14xy + 4 − 7x^2 + 9y + 2xy + 7

= 18x^2 - 12xy + 9y + 11

Hope it helps.

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cdw102005 cdw102005

01-10-2018

54-14xy-14+9y+2xy+7=

47-12xy+9y

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