-4x² + 4 = 0
9< 3x-2
7x² = 10x
x² – 5x + 2 = 0
-9-x=-x-3+5x
0,5x² + x –1 = 0
4=-2(2x-5)
2x+3=1
7x-15<15
3x² + 4x + 3= 3
-5x² +7
2x+1
9x² – 5x -7= 0
3x² + 4x + 1 = 0
10x-5=6x
3x² = 0
3x² - 12+2x = 0
2(x-3)>3x+5
12-12x
16x-4(x-1)<0
4-x=3x-8
3x² = 3x²
9x² – 5x = 0
7<10
2x >4+x