20x^2-19x-28=0

Simple and best practice solution for 20x^2-19x-28=0 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for 20x^2-19x-28=0 equation:


Simplifying
20x2 + -19x + -28 = 0

Reorder the terms:
-28 + -19x + 20x2 = 0

Solving
-28 + -19x + 20x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-4 + -5x)(7 + -4x) = 0

Subproblem 1

Set the factor '(-4 + -5x)' equal to zero and attempt to solve: Simplifying -4 + -5x = 0 Solving -4 + -5x = 0 Move all terms containing x to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + -5x = 0 + 4 Combine like terms: -4 + 4 = 0 0 + -5x = 0 + 4 -5x = 0 + 4 Combine like terms: 0 + 4 = 4 -5x = 4 Divide each side by '-5'. x = -0.8 Simplifying x = -0.8

Subproblem 2

Set the factor '(7 + -4x)' equal to zero and attempt to solve: Simplifying 7 + -4x = 0 Solving 7 + -4x = 0 Move all terms containing x to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -4x = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -4x = 0 + -7 -4x = 0 + -7 Combine like terms: 0 + -7 = -7 -4x = -7 Divide each side by '-4'. x = 1.75 Simplifying x = 1.75

Solution

x = {-0.8, 1.75}

See similar equations:

| y=0.50x+8.5 | | Ln(3x-6)=3 | | -9/4y5/4-3/8y | | 4x+24=96 | | 2a*a^(1/4)/8a^(-1/2) | | Y-2=2/9(x-3)= | | 2a*a^(1/4) | | 11x^2-35x+10=0 | | 25ax/2x^5/5a/4x | | (40-2p)-2/3p=8 | | x^2+y^2+4x=9 | | y=[x-(3+i)][x-(3-i)] | | 2x-3+10=180 | | (1-X)(1-.03)2=.667 | | (40-p)-2/3p=8 | | -3w=-6/5 | | y=[x-(-2+3i)][x-(-2-3i)] | | -7/1(16/22) | | 30x-x=x-2 | | y=(2x-2)+4 | | sin22=26000/x | | y=[x-(-2+i)][x-(-2-i)] | | -5(6-5)-73=343 | | -5(6-5)-73=1 | | -5(6-5)-73=-348 | | -5(6-5)-73=338 | | 3x/10=x/3-1 | | 3/5-11i | | x/6-1=3 | | 10=7/10x | | 2(5m-7)-4(m-4)= | | (3a-1/3b)*(a-1/5b)= |

Equations solver categories