Faktorkanlah aljabar berikut.
a.2x³ - 18x
b.x² + 7x +10
c.3x² + 7x -6
a.2x³ - 18x
b.x² + 7x +10
c.3x² + 7x -6
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=> 2x(x² - 9)
=> 2x(x - 9)(x + 9)
b.
=> x² + 7x + 10
=> x² + 2x + 5x + 10
=> x(x + 2) + 5(x + 2)
=> (x + 2)(x + 5)
c.
=> 3x² + 7x - 6
=> 3x² + 9x - 2x - 6
=> 3x(x + 3) - 2(x + 3)
=> (x + 3)(3x - 2)