2x^3-3x^2-17x+30. Factorise
Answers
Answered by
4
Answer:
(x - 2)(x + 3)(2x - 5)
Step-by-step explanation:
2x^3 - 4x^2 + x^2 - 2x - 15x + 30
2x^2(x - 2) + x(x- 2) - 15(x - 2)
(x - 2)(2x^2 + x - 15)
(x - 2)(2x^2 + 6x - 5x - 15)
(x - 2)(2x(x + 3) - 5(x + 3))
(x - 2)(x + 3)(2x - 5)
Answered by
2
Answer:
Step-by-step explanation:
2x^3 -3x^2 - 17x + 30
= 2x^3 - 4x^2 + x^2 - 2x - 15x +30
=2x^2(x-2) + x(x-2) -15(x-2)
= (x-2) (2x^2+x-15)
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