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Mathematics 12 Online
OpenStudy (anonymous):

Correct ? (5x - 6y + 8) - (2x - 3y + 5). 3x - 3y +13

sam (.sam.):

No

OpenStudy (anonymous):

3x-3y+3

OpenStudy (anonymous):

or is it 3x - 3y + 3 ?

sam (.sam.):

(5x-6y+8)-(2x-3y+5) multiply -1 by each term 5x-6y+8-2x+3y-5 combine all similar terms in the polynomial 3x-3y+3

sam (.sam.):

yes

Directrix (directrix):

(5x - 6y + 8) -1* (2x - 3y + 5) = 5x - 6y + 8 - 2x + 3y - 5 = 3x - 3y + 3

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