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Solving a Quadratic Equation by Factorization Method

Solve : 42x ...

Question

Solve :
$4 (2 x + 1) = 3 (x - 1) + 7$

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Solution

$4 (2 x + 1) = 3 (x - 1) + 7$
$\Rightarrow 8 x + 4 = 3 x - 3 + 7$
$\Rightarrow 8 x + 4 = 3 x + 4$
$\Rightarrow 8 x - 3 x = 4 - 4$
$\Rightarrow 5 x = 0$
$∴ x = 0$

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