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CUET
General Test
Quantitative Reasoning
Simplification
Factorisation of 2x2 + 3x +1 is
(2x - 1)(x - 1)
(x + 1)(2x + 1)
(x + 1)(2x - 1)
(2x + 1)(x - 1)
2x2 + 3x + 1 = 2x2 + (2 + 1) x + 1
= 2x2 + 2x + 1x + 1
= 2x(x + 1) + 1(x + 1)
= (x + 1)(2x + 1)