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= -8a² -12ab - 6a² - 8b + 10
= -14a² -12ab -8b + 10
b. = -3p (p3 - 2p pangkat 2 ) + 2 ( p2 - 3p +6)
= -3p⁴ + 6p³ + 2p² - 6p + 12
c. = 2a (-3a + 2b ) - 5b (3a + 4b - 5 )
= -6a² + 4ab - 15ab - 20b² + 25b
= -6a² - 11ab - 20b² + 25b
= (a + 2 ) ( a+ 4 )
= a² + 4a + 2a + 8
= a² + 6a + 8
= ( x - 3 ) ( x - 5 )
= x² - 5x - 3x + 15
= x² - 8x + 15
= (3a + 2 ) ( a - 5 )
= 3a² - 15a + 2a - 10
= 3a² - 13a - 10
= ( 3x2 - 2y ) ( x2 + 6y )
= 3x⁴ + 18x²y - 2x²y - 12y²
= 3x⁴ +16x²y - 12y²
= ( 3a2 - 5b2 ) ( -2a2 - 3b2 )
= -6a⁴ - 9a²b² + 10a²b² + 15b⁴
= -6a⁴ + a²b² + 15b⁴
=( 4x - 2y ) ( 2x - 5y + 1 )
= 8x² - 20xy + 4x - 4xy + 10y² - 2y
= 8x² + 4x - 24xy + 10y² - 2y
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