CameraIcon

SearchIcon

MyQuestionIcon

1

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

Factorisation by Common Factors

Expand using ...

Question

Expand using appropriate formulae : (3x - 8)(3x+5)

Open in App

Solution

(3x - 8)(3x+5)

= 3x(3x+5) -8(3x+5)

= 3x.3x + 3x.5 -3x.8 - 5.8

= 9x²+ 15x - 24x - 40

= 9x²- 9x - 40 Ans.

Suggest Corrections

thumbs-up

1

Similar questions

(3 x - 3) (3 x + 4)

using appropriate identity

Q. Use the formula to expand the following:

(5) (3x − y)³

Factorise $9 x^{2} - 64$

Q. Expand (2x+3)(2x+5) using appropriate identity.

{(a + 5)}^{2}

using appropriate identity

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Method of Common Factors

MATHEMATICS

Watch in App

explore_more_icon

Explore more

Factorisation by Common Factors

Standard VIII Mathematics

Join BYJU'S Learning Program

CrossIcon