Question

Solve the following quadratic equation and give the
answer correct to two significant figures
4x² - 7x+2=0.​

Answer 1

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$= > \: 4 {x}^{2} - 7x + 2 = 0$

$= > \: 4 {x}^{2} - 8x - x + 2 = 0$

$= > \: 4x(x - 2) - 1(x - 2)$

$= > \: (4x - 1)(x - 2) = 0$

$x = 2$

$x = \frac{1}{4}$

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Answer 2

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