MyQuestionIcon

1

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

Quadratic Equations

Solve : x2-7...

Question

Solve :
$x^{2} - 7 x - 18 = 0$

Open in App

Solution

$x^{2} - 7 x - 18 = 0$
$x^{2} - 9 x + 2 x - 18 = 0$
$x (x - 9) + 2 (x - 9) = 0$
$(x - 9) (x + 2) = 0$
$x = 9, - 2$

Suggest Corrections

thumbs-up

0

Similar questions

Q. Solve the following quadratic equation by factorisation.

x^{2} - 7 x - 18 = 0

.

x^{2} - 7 x + 60 = 0

x^{2} + 7 x + 12 = 0

Q. Solve the following inequalities.

\frac{x^{2} + 4}{x^{2} + 7 x + 12} < 0

x^{2} - 7 x + 12 = 0

by formula method.

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