Question

Factorisation method 2Xsqure+5X+2=0

Answer 1

$2 {x}^{2} + 5x + 2 = 0 \\ \\ 2 {x}^{2} + 4x + x + 2 = 0 \\ \\ 2x(x + 2) + 1(x + 2) = 0 \\ \\ (2x + 1)(x + 2) = 0 \\ \\ x = \frac{ - 1}{2} ..........x = - 2$

Answer 2

Answer:

${2x}^{2} + 5x + 2 = 0$

${2x}^{2} + 4x + 1x + 2 = 0$

$2x(x + 2) + 1(x + 2) = 0$

$(2x + 1)(x + 2) = 0$

SO,

$x = \frac{ - 1}{2} \: \: \: and \: \: \: x = - 2$

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