Question

(x - 6 ) (4x - 8)= 0

Answer 1

(x - 6 ) (4x - 8 ) =0
4x² - 8x -24x + 48
4x² - 32x + 48 
Δ= b²-4.a.c
a = 4
b= 32
c=48
Δ=32²-4.4.48
Δ=1024 - 768
Δ= 256

bhaskara
- b +- √Δ /2.a
 32 - 16 / 8 =  2
 32 + 16 /8 =  6
x' = 2 x"= 6