" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
-2x+5x=6
3x=6
x=2
b) - 3(x - 1)!!!2 + 5 = 0
-3x+3+7=0tylko nie ma tu znaku,i nie jestem pewna co robić...
x²-5x+6=0
(x-2)(x-3)=0
x=2 lub x=3
b) - 3(x - 1)2 + 5 = 0
3(x²-2x+1)-5=0
3x²-6x+3-5=0
3x²-6x-2=0
Δ=6²-4*3*(-2)=36+24=60
x₁=(6+√60)/2*3 = (6+2√15)/6= (3+√15)/3
x₂=(6-√60)/2*3 = (6-2√15)/6= (3-√15)/3