5x2 + 15x = 0
5x(x + 3) = 0
therefore, x = 0 or x + 3 = 0
that is, x = 0 or x = -3
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5x(x+3)
its 10
X= (3/5 , -2)
(5x - 1)(x + 3)5x2 + 14x - 3= 5x2 + 15x - x - 3= 5x(x + 3) - 1(x + 3)= (5x - 1)(x + 3)
Assuming that the 2 in "5x2" is a power (5x2), then no, this is not a linear equation. It is a parabolic equation.