# What is the quadratic formula for x^2 + 3x-28 = 0 ?

## x^2 + 3x-28 = 0

Apr 2, 2018

x=(-3pmsqrt(3^2-4(1)(-28)))/(2(1)

#### Explanation:

The quadratic formula is in the form $x = \frac{- b \pm \sqrt{{b}^{2} - 4 a c}}{2 a}$

The equation that you gave is in standard form, which is $a {x}^{2} + b x + c$

1 is the a value
3 is the b value
-28 is the c value