Question

X^2 + 2x- 8= 0
kmungkinan nilai x
bserta cara ya....

ket: ^=pangkat

Answer 1

X^2 + 2x- 8= 0
kmungkinan nilai x

2X + 2X-8 = 0
2X+8 + 2X-8+8 = 0
10X + 2X = 0
12X = 0
X = 12/0 = 12.

gitu? gajago matematika nih ;(

Answer 2

X²+2x-8=0
(x.x)+(2.x)=0+8
3x+2=8
3x   =8-2
3x  =6
x   =6/3
 x  = 2