CameraIcon

SearchIcon

MyQuestionIcon

1

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

Reducing Equations to Simpler Form

Question 91 x...

Question

Question 91 (x)

Factorise the following:

$x^{2} + 4 x - 77$

Open in App

Solution

We have, $x^{2} + 4 x - 77$
$x^{2} + (11 - 7) x - 77 = x^{2} + 11 x - 7 x - 77 = x (x + 11) - 7 (x + 11) = (x + 11) (x - 7)$

Suggest Corrections

thumbs-up

3

Similar questions

Q. Question 91 (x)

Factorise the following:

x^{2} + 4 x - 77

Q. Question 91 (ix)

Factorise the following:

x^{2} - 17 x + 60

Q. Question 91 (ii)

Factorise the following:

x^{2} + 9 x + 20

Q. Question 91 (i)

Factorise the following:

x^{2} + 15 x + 26

Q. Question 88 (x)

Factorise the following expression.

24 x^{2} y z^{3} - 6 x y^{3} z^{2} + 15 x^{2} y^{2} z - 5 x y z

View More

Join BYJU'S Learning Program

explore_more_icon

Explore more

Reducing Equations to Simpler Form

Standard VIII Mathematics

Join BYJU'S Learning Program

CrossIcon