factorise 2x^3+7x^2-3x-18
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Answer:
(2x-3)(x+3)(x+2)
Step-by-step explanation:
✓p(x)=2x^3+7x^2-3x-18
✓Factors of 18 .. 1,18.3,6.2,9........
✓(x+2) is a factor of 2x^3+7x^2-3x-18
✓when (x+2) is divided to p(x)
✓answer is 2x^2+3x-9
✓now factorise 2x^2+3x-9
✓2x^2+6x-3x-9
✓2x(x+3)-3(x+3)
✓(2x-3)(x+3)(x+2)
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