Question

If a = - 2, b = -1 and c = 3, find the value of 5a2 + 2b2 - 6c2 + 3abc.​

Answer 1

Answer:

The result is -14.

Step-by-step explanation:

given,

a=-2

b=-1

c=3

now,

$5a^{2} + 2b^{2} -6c^{2} +3abc= 5(-2)^{2} +2(-1)^{2}-6(3)^{2}+3(-2)(-1)3\\= 20+2-54+18=-14$