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2x

^{2}+ x = 152x

^{2}+ x - 15 = 0(2x - 5) (x + 3) = 0

If the product of the two expressions is zero, then one or both of the factors must be zero. Find those values of x that make each factor equal to zero:

2x -5 = 0

2x = 5

x = 5/2

x + 3 = 0

x = -3

x = -3, and x = 5/2