Question

75a^3b^2-108ab^4

factorise this expression

Answer 1

Hi ,

75a³b² - 108ab⁴

= 3ab² ( 25a² - 36b² )

= 3ab² [ ( 5a )² - ( 6b ) ² ]

= 3ab² ( 5a + 6b )( 5a - 6b )

I hope this helps you.

: )

Answer 2

Answer:

75a³b²-108b⁴

At first we have to take common

so from here we are getting 3ab² common

75a³b²-108b⁴

3ab² ( 25 a²- 36b²)

3ab²{(5a)² -(6b)²}

3ab² (5a+6b) (5a - 6b)

It the full solution

Hope It helps you

Thank you