Question

expand (a+2b+3c)^2
Step by step explanations ​

Answer 1

Answer:

(a+2b+3c)²

=a²+ b² +9c² +2.a.2b+ 2.2b.3c+ 2.3c.a

=a²+b²+9c²+4ab+ 12bc + 6ca

Answer 2

$\Huge\purple{\boxed{\purple{\mathbb{\overbrace{\underbrace{\fcolorbox{orange}{aqua}{\underline{\red{ Answer }}}}}}}}}$

$( a+2b+3c)²$

$( a+2b+3c)( a+2b+3c)$

$a² + 4ab +6ac +4b² +12bc +9c²$