4x^2+5x+36=0

Simple and best practice solution for 4x^2+5x+36=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 4x^2+5x+36=0 equation:


Simplifying
4x2 + 5x + 36 = 0

Reorder the terms:
36 + 5x + 4x2 = 0

Solving
36 + 5x + 4x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
4 the coefficient of the squared term: 

Divide each side by '4'.
9 + 1.25x + x2 = 0

Move the constant term to the right:

Add '-9' to each side of the equation.
9 + 1.25x + -9 + x2 = 0 + -9

Reorder the terms:
9 + -9 + 1.25x + x2 = 0 + -9

Combine like terms: 9 + -9 = 0
0 + 1.25x + x2 = 0 + -9
1.25x + x2 = 0 + -9

Combine like terms: 0 + -9 = -9
1.25x + x2 = -9

The x term is 1.25x.  Take half its coefficient (0.625).
Square it (0.390625) and add it to both sides.

Add '0.390625' to each side of the equation.
1.25x + 0.390625 + x2 = -9 + 0.390625

Reorder the terms:
0.390625 + 1.25x + x2 = -9 + 0.390625

Combine like terms: -9 + 0.390625 = -8.609375
0.390625 + 1.25x + x2 = -8.609375

Factor a perfect square on the left side:
(x + 0.625)(x + 0.625) = -8.609375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| -4(3-p)= | | 4(y-2)=3(y-3) | | 4(y-2)=3(y-7) | | 7p+2q=8 | | ln(2x+1)+ln(x-2)-2ln=0 | | 14-1(x+m)=3(x+9)-10 | | .25b+.75= | | 8c+2= | | 4[t-5]+2=t+3 | | 8x-15=-111 | | 5c-4= | | 3m+2n-7m-n= | | u+3=u-6 | | y=(4x+4) | | 58X-29= | | 2a+3=3-2 | | 27x+33= | | 36s+64= | | 35=(2p-1) | | (4u-7)(5+u)=0 | | 2x-81=80+9x | | (4y)(-2y^3)= | | -8-x=-3(2x-4) | | 8y=4(2y+1) | | 12v=96 | | 4=6x+(-10) | | x-1+77+53=180 | | -5.4+-7.8x=-78.408 | | x-1+77=180 | | 2-2p+p^2-p^3= | | x^5=.875 | | x-1+40+53+77=180 |

Equations solver categories