Sederhanakanlah a.9x+6y-10y-8x b.x²+8y²-16+10x²-7y²+11 c.8(3x+4y) -5(4x-6y)
Matematika
natalidhea
Pertanyaan
Sederhanakanlah
a.9x+6y-10y-8x
b.x²+8y²-16+10x²-7y²+11
c.8(3x+4y) -5(4x-6y)
a.9x+6y-10y-8x
b.x²+8y²-16+10x²-7y²+11
c.8(3x+4y) -5(4x-6y)
1 Jawaban
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1. Jawaban DaffaAndra
a. 9x + 6y - 10y - 8x
= 9x - 8x + 6y - 10y
= x - 4y
b. x^2 + 8y^2 - 16 + 10x^2 - 7y^2 + 11
= x^2 + 10x^2 + 8y^2 - 7y^2 - 16 - 11
= 11x^2 + y^2 - 27
c. 8(3x + 4y) - 5(4x - 6y)
= 24x + 32y - 20x + 30y
= 24x - 20x + 32y + 30y
= 4x + 62y
Senang bisa membantu! :DD