GIven that: x^2+6x+9 #160; #160; #160; #160; #160; #160; #160; #160; #160; =x^2+2× #160; 3× #160; x+3^2 ——– [Since ...

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

Factorisation Using Algebraic Identities

Factorise: ...

Question

Factorise: $x^{2} + 6 x + 9$

Open in App

Solution

GIven that: $x^{2} + 6 x + 9$
$= x^{2} + 2 \times 3 \times x + 3^{2}$ -------- [Since $a^{2} + 2 a b + b^{2} = (a + b)^{2}$ ]
$= (x + 3)^{2}$

Suggest Corrections

Similar questions

x^{2} - 6 x + 9

Factorise : $x^{2} + 6 x + 9 - 4 y^{2}$

x^{2} - 6 x + 5

x^{2} + 6 x + 8

x^{2} - 6 x - 135

Join BYJU'S Learning Program