Question

3x - 2 × 2x + 1 = 143
Find the value of 'x'?
Answer with explanation

Answer 1

Answer:

$6 {x}^{2} - x - 2 = 143 \\ = > 6 {x}^{2} - x - 145 = 0 \\ x = \frac{1 + - \sqrt{1 + 24(145)} }{12 } \\ = > x = \frac{1 + - 59}{12} \\ = > x = 5 \: or \: \frac{ - 59}{12}$

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