= (9x + 3y)/12 - (2x - 2y)/12
= (9x - 2x + 3y + 2y)/12
= (7x + 5y)/12
5) 7x . 4y
= 28xy
6) 3a² . (-2a)
= 3 . a² . (-2) . a
= -6a³
7) (-9x)²
= (-9x) . (-9x)
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Senin, 10 Juni 2024 -
Network
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Network
= (9x + 3y)/12 - (2x - 2y)/12
= (9x - 2x + 3y + 2y)/12
= (7x + 5y)/12
5) 7x . 4y
= 28xy
6) 3a² . (-2a)
= 3 . a² . (-2) . a
= -6a³
7) (-9x)²
= (-9x) . (-9x)
Editor: Iman Fakhrudin
