4x^2+5x-9=

Simple and best practice solution for 4x^2+5x-9= 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 4x^2+5x-9= equation:


Simplifying
4x2 + 5x + -9 = 0

Reorder the terms:
-9 + 5x + 4x2 = 0

Solving
-9 + 5x + 4x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-9 + -4x)(1 + -1x) = 0

Subproblem 1

Set the factor '(-9 + -4x)' equal to zero and attempt to solve: Simplifying -9 + -4x = 0 Solving -9 + -4x = 0 Move all terms containing x to the left, all other terms to the right. Add '9' to each side of the equation. -9 + 9 + -4x = 0 + 9 Combine like terms: -9 + 9 = 0 0 + -4x = 0 + 9 -4x = 0 + 9 Combine like terms: 0 + 9 = 9 -4x = 9 Divide each side by '-4'. x = -2.25 Simplifying x = -2.25

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 = {-2.25, 1}

See similar equations:

| (1+i)=31 | | 11(z+2)-3(z-1)=4(z-1)+3(z-2) | | (m+3)(m-3m+9)= | | y=ln(x^2-16x) | | 3n=-8+(-7) | | f(x)=ln(x^2-16x) | | 4(x-2)-3=253 | | 6-1/4x=9/2 | | 4x^2-8x+6= | | 45+63+(x-1)=180 | | 3/4x-3.2=5.3-2x÷3 | | 1/3(3/4-3x)-3/4=2/4 | | Log[5](7-4x)=0 | | 17f-2=4 | | z=9+2(x+y) | | (2m^2-9)^1/2=m | | 10a^2+10a+60=0 | | (3-15y/2)-2y=30 | | 28x-8-16x=3(4x-4)+4 | | (b+8)+(b+1)=19 | | Y=-4x^2+4x+2 | | log(y)=1.2+0.8 | | X+3.4x=7 | | y=1.2+0.8x | | j+(8+j)+(2(8+j))=32 | | x^2+2x-685=0 | | (y-3)*(y-3)=8 | | 2(3-4y)-3y=17 | | j+(8+j)+(3(8+j))=32 | | 2(x+2)=68 | | 3x+92=-2x-3 | | y=g(x)+2 |

Equations solver categories