nbsp;We have: nbsp; nbsp; nbsp; 4a2 9=2a2 32 #160; #160; #160; #160; #160; #160; #160; #160; #160; #160;=2a+32a 3 nbsp; n ...

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

Factorisation by Common Factors

Factorise:4 a...

Question

Factorise:
4a² − 9

Open in App

Solution

We have:
$4 a^{2} - 9 = {(2 a)}^{2} - {(3)}^{2} = (2 a + 3) (2 a - 3)$

∴ $4 a^{2} - 9 = (2 a + 3) (2 a - 3)$

Suggest Corrections

Similar questions

Factorise :

$4 a^{2} - 9$

Factorise:

$4 a^{2} - 12 a + 9 - 49 b^{2}$

4 a^{2} - 8 a b

2 a^{3} + 4 a^{2}

Factorise 4a²-8abc

Join BYJU'S Learning Program

Related Videos

Factorisation by Common Factors

MATHEMATICS

Watch in App

Explore more

Join BYJU'S Learning Program