MyQuestionIcon

1

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

Factorisation by Regrouping Terms

Factorise Com...

Question

Factorise Completely : $8 x^{2} y - 18 y^{3}$

Open in App

Solution

$8 x^{2} y - 18 y^{3} = 2 y (4 x^{2} - 9 y^{2}) = 2 y [(2 x)^{2} - (3 y)^{2}] = 2 y (2 x + 3 y) (2 x - 3 y)$

Suggest Corrections

thumbs-up

10

Similar questions

Q. Factorise completely and state whether the answer is True or False.

8 x^{2} y - 18 y^{3}

2 y (2 x + 3 y) (2 x - 3 y)

Q. Factorise the expressions using the common factor method.

8 x^{2} y + 4 x

Q. Complete the following table if

x and y

x	5	$x_{2}$	10
y	15	27	$y_{3}$

Factorise Completely : $a x^{2} - a y^{2}$

Factorise Completely : $16 x^{4} - 81 y^{4}$

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 Regrouping Terms

Standard VIII Mathematics

Join BYJU'S Learning Program

CrossIcon