12) Dtict hiphany gidh han bor 2 other (P); y = { x² + &
t
t-x
30
la S= a+b. ly 2 +c, lu 3
g (a+b-c)=?
ཁ)། །།
Se
D
T
a,b,C
X
EKLONG
La Soluirt
t=x-
@PT: - 4x²+xx--x-1 (BK: x+3)=(x = 0
ཧོནཾ ཏེ
ཙགསེ
77
ཨོ – དྷཱ ཏི ཀིཾ བྷཱ ཙ, , ནུཔཏོ ཏི
Z
4
4
3
3 x31
x-7
A
tao
X-3 die his phang
3-x
7
x=3( ...