4 x 2 − 17 x − 15 = 0 4 x 2 − 20 x + 3 x − 15 = 0 4 x ( x − 5 ) + 3 ( x − 5 ) = 0 ( 4 x + 3 ) ( x − 5 ) = 0 x = − 4 3 ∨ x = 5
4x^2 - 17x - 15 = 0 (4x + 3)(x-5) 4x + 3 = 0 4x = -3 x = -3/4
x - 5 = 0 x = 5
The equation 4 x 2 − 17 x − 15 = 0 can be solved using the quadratic formula. The solutions are x = 5 and x = − 4 3 .
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