X2-11x+18=0 25x2-20+4=0 3x2-5x+4=0 Pomogite pozalsta

Question

X2-11x+18=0
25x2-20+4=0
3x2-5x+4=0
Pomogite pozalsta

Answer 1

X*2-11x+18=0
2x-11x=-18
-9x=-18
x=2

3x*2-5x+4=0
6x-5x=-4
x=-4