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Mathematics 21 Online
OpenStudy (anonymous):

subtract (9x⁸+ 4x⁷ + 7x⁶ – 2) – (7x⁸ + 3x⁷ + 7x⁶ – 2)

OpenStudy (jiteshmeghwal9):

open the brackets & then solve by combining like terms :)

OpenStudy (anonymous):

2x+1x+x-7x⁸ -3x+1x+-3x-4x⁷ X+4x+x-5x⁶ -9+-5x⁷+-5x⁶-0

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