Question

find the value of (2a-4b+6c)²

Answer 1

Answer:

4a - 8b + 12c

Step-by-step explanation:

Hope it helps you!

Answer 2

Formula

$(a + b + c)^{2} = a {}^{2} + b {}^{2} + c^{2} + 2ab + 2bc + 2ca$

Here, a=2a, b= -4b &. c= 6c

$4a {}^{2} + 16b {}^{2} + 36c {}^{2} - 16ab - 48bc + 24ca$