x2 - 5x = 0
Factor the left side:
x (x - 5) = 0
x = 0
x = 5
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The equation x2 - 5x - 24 = 0 has the two solutions 8 and -3 for x.
x2 + 2x - 15 = 0(x + 5) (x - 3) = 0x = -5x = +3
7
It is a quadratic equation with one unknown variable, x which has no real roots.
X2 - 3X - 4 = 0factored(X + 1)(X - 4)----------------X = - 1X = 4-------------------(- 1, 0) and (4, 0)================solution set of X interception points