1) x^2 - 5x = 0x(x - 5) = 0x = 0, x = 5
2) -2x^2 + 7x = 0x(-2x + 7) = 0x = 0, x = 7/2
3) -7x^2 + 1.8x = 0x(-7x + 1.8) = 0x = 0, x = 1.8/7
4) -2x^2 - x = 0x(-2x - 1) = 0x = 0, x = -1/2
5) -8x^2 - 9.2x = 0x(-8x - 9.2) = 0x = 0, x = -9.2/8
6) -7x^2 + x = 0x(-7x + 1) = 0x = 0, x = 1/7
1) x^2 - 5x = 0
x(x - 5) = 0
x = 0, x = 5
2) -2x^2 + 7x = 0
x(-2x + 7) = 0
x = 0, x = 7/2
3) -7x^2 + 1.8x = 0
x(-7x + 1.8) = 0
x = 0, x = 1.8/7
4) -2x^2 - x = 0
x(-2x - 1) = 0
x = 0, x = -1/2
5) -8x^2 - 9.2x = 0
x(-8x - 9.2) = 0
x = 0, x = -9.2/8
6) -7x^2 + x = 0
x(-7x + 1) = 0
x = 0, x = 1/7