Solve the following equation and give your answer correct to 3 significant figures
$5 x^{2} - 3 x - 4 = 0$

Open in App

Solution

$5 x^{2} - 3 x - 4 = 0$
$\Rightarrow x = \frac{3 \pm \sqrt{9 + 80}}{10}$
$\Rightarrow x = \frac{3 - \sqrt{89}}{10}, \frac{3 + \sqrt{89}}{10}$
$\Rightarrow x = - 0.643, 12.434$

Suggest Corrections

Similar questions

Solve the following equation and give your answer correct to 3 significant figures:

$5 x^{2} - 3 x - 4 = 0$

5 x^{2} - 3 x - 4 = 0

p x^{2} - 4 x + 3 = 0

5 x^{2} - 3 x - 4 = 0

p x^{2} - 4 x + 3 = 0

Solve the quadratic equation $x^{2} - 3 (x + 3) = 0$ ; Give your answer correct to two significant figures.

x

(x - 1)^{2} - 3 x + 4 = 0

Join BYJU'S Learning Program