Question

Solve the equation using the quadratic formula 4x^2+3x-10=0

Answer 1

$x=\frac{-b+-\sqrt{b^{2}-4ac}}{2a}$

a = 4, b = 3 and c = -10.

$x=\frac{-(3)+-\sqrt{(3)^{2}-4(4)(-10)}}{2(4)} \\x=\frac{-3+-\sqrt{169}}{8} \\x=\frac{5}{4} , x=-2$