Question

(a-2b-3c)^2 expend this questions​

Answer 1

I wish this may help you

Answer 2

$\huge\underline \mathfrak \blue{Answer}$

As we know that:-

$\Large\boxed{</strong><strong>(</strong><strong>a</strong><strong>+</strong><strong>b</strong><strong>+</strong><strong>c</strong><strong>)</strong><strong>^</strong><strong>2</strong><strong>=</strong><strong>a</strong><strong>^</strong><strong>2</strong><strong>+</strong><strong>b</strong><strong>^</strong><strong>2</strong><strong>+</strong><strong>c</strong><strong>^</strong><strong>2</strong><strong>+</strong><strong>2</strong><strong>a</strong><strong>b</strong><strong>+</strong><strong>2</strong><strong>b</strong><strong>c</strong><strong>+</strong><strong>2</strong><strong>c</strong><strong>a</strong><strong>}$

A/Q,

$\Large\boxed{</strong></p><p><strong>( a - 2b - 3c )^2 = a^2 + 4b^2 + 9c^2 - 4ab + 12bc -6ac</strong><strong>}$

hope this helps uhh!!!☺️

A❤️S