Question

2. Solve using formula - x2 – 3x - 2=0
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Answer 1

Step-by-step explanation:

${x}^{2} - 3x + 2 = 0$

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

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

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

Therefore,

x = 1 or x = 2.

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Answer 2

Answer:

x=2 ,x=1

Step-by-step explanation:

$x^{2}-3x-2=0\\x^{2}-(2+1)x-2=0\\x^{2} -2x-x-2=0\\x(x-2)-1(x-2)=0\\(x-1)(x-2)=0\\x-1=0\\x=1 \\or,\\x-2=0 \\x=2$

therefore :- $x=2 ,x=1$

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