Question

Diketahuia=4,b=-5,c=-2.nilai dari (a+2b-3c)-(a-3b+-2c) adalah

Answer 1

A= 4
b= -5
c= -2

(a + 2b - 3c) - (a - 3b + (-2c))
(4 + 2(-5) - 3(-2)) - (4 - 3(-5) - 2(-2))
(4 - 10 + 6) - (4 + 15 + 4)
(-6 + 6) - (19 + 4)
- (23)
-23

Answer 2

(4+2(-5)-3(-2))-(4-3(-5)+-2(-2)) =
(4-10)+6-(4+15 +4) =19