Solve by formula :- 2xsquare-x-15
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Answer:
2x2 + x = 15
2x2 + 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
Step-by-step explanation:
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