MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Quadratic Equations

Solve : 2x2...

Question

Solve : $2 x^{2} + 7 x + 5 = 0$

Open in App

Solution

given, $2 x^{2} + 7 x + 5$

$= 2 x^{2} + 2 x + 5 x + 5$

$= 2 x (x + 1) + 5 (x + 1)$

$= (x + 1) (2 x + 5)$

$x = - 1, \frac{- 5}{2}$

Suggest Corrections

thumbs-up

1

Similar questions

\sqrt{2} x^{2} + 7 x + 5 \sqrt{2} = 0

x : \sqrt{2} x^{2} + 7 x + 5 \sqrt{2} = 0

Q. Solve the following inequality:

\frac{x^{2} - 7 x + 12}{2 x^{2} + 4 x + 5} > 0

\sqrt{3 x^{2} - 7 x - 30} - \sqrt{2 x^{2} - 7 x - 5} = x - 5

2 x^{2} - 7 x + 3 = 0

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Introduction

MATHEMATICS

Watch in App

explore_more_icon

Explore more

Quadratic Equations

Standard X Mathematics

Join BYJU'S Learning Program

CrossIcon