divide 2 x cube minus 5 x square - 8 x + 20 by X - 2
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Step-by-step explanation:
2x³ - 5x² - 8x + 20 =(x-2)(2x²-x-10)
(x - 2)(2x² - x - 10) = 0
(x - 2)(2x² - 5x + 4x - 10) = 0
(x - 2)(x(2x-5)+2(2x-5)) = 0
(x - 2)(x + 2)(2x - 5) = 0
x = 2 , -2 , 5/2
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