Question

2 x cube minus 3 x square - 7 x + 30 factorise by using factor theorem​

Answer 1

Answer:

2x³ - 3x² - 17x + 30

= 2x³ - 4x² +x² -2x - 15x + 30

=2x²(x-2) +x(x-2) -15(x-2)

=(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)

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I hope this helps you....