9x^2+19x-28=0

Solution for 9x^2+19x-28=0 equation:

Simplifying
9x2 + 19x + -28 = 0

Reorder the terms:
-28 + 19x + 9x2 = 0

Solving
-28 + 19x + 9x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-28 + -9x)(1 + -1x) = 0

Subproblem 1
Set the factor '(-28 + -9x)' equal to zero and attempt to solve:

Simplifying
-28 + -9x = 0

Solving
-28 + -9x = 0

Move all terms containing x to the left, all other terms to the right.

Add '28' to each side of the equation.
-28 + 28 + -9x = 0 + 28

Combine like terms: -28 + 28 = 0
0 + -9x = 0 + 28
-9x = 0 + 28

Combine like terms: 0 + 28 = 28
-9x = 28

Divide each side by '-9'.
x = -3.111111111

Simplifying
x = -3.111111111
Subproblem 2
Set the factor '(1 + -1x)' equal to zero and attempt to solve:

Simplifying
1 + -1x = 0

Solving
1 + -1x = 0

Move all terms containing x to the left, all other terms to the right.

Add '-1' to each side of the equation.
1 + -1 + -1x = 0 + -1

Combine like terms: 1 + -1 = 0
0 + -1x = 0 + -1
-1x = 0 + -1

Combine like terms: 0 + -1 = -1
-1x = -1

Divide each side by '-1'.
x = 1

Simplifying
x = 1
Solution
x = {-3.111111111, 1}