factorise 2x³-4x²+5x- 3
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2x³-4x²+5x-3
If x is taken as 1
2(1)³ - 4(1)² + 5(1) - 3 =
2 - 4 + 5 - 3 =
2 + 5 - 4 - 3 =
7 - 7 =0
2x³-4x²+5x-3 = 2x² - 2x + 3
x-1
2x³-4x²+5x-3 =
(x-1)(2x² - 2x + 3)
You can factorize 2x² - 2x + 3 by splitting the middle term method.
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