Question

factorise 2x3-3x2-17x+30​

Answer 1

Answer:

2x³ - 3x² - 17x + 30

2x³ - 4x² + x² - 2x - 15x + 30

2x²(x-2) + x (x-2) - 15(x-2)

Taking (x-2) common

(x - 2)(2x² + x - 15)

(x - 2)(2x² + 6x - 5x - 15)

(x - 2){2x (x + 3) -5 (x + 3)}

(x - 2)(x + 3)(2x - 5)

Hope it helps

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