Tentukan perkalian dari:
a.5x²(6x+3y)
b.(2x-2)(x+5)
c.(x-5)(x²-4x+20)
a.5x²(6x+3y)
b.(2x-2)(x+5)
c.(x-5)(x²-4x+20)
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5x³ + 15x²y
(2x - 2)(x + 5)
2x² + 10x - 2x - 10
2x² + 8x - 10
(x - 5)(x² - 4x + 20)
x³ - 4x² + 20x - 5x² + 20x - 100
x³ - 4x² - 5x² + 20x + 20x - 100
x³ - 9x² + 40x - 100
b.2x2 + 10x - 2x -10 = 2x2+8x-10
c. x3-4x2+20x-5x2+20x-100