4x^2+9x+10=0

Simple and best practice solution for 4x^2+9x+10=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+9x+10=0 equation:


Simplifying
4x2 + 9x + 10 = 0

Reorder the terms:
10 + 9x + 4x2 = 0

Solving
10 + 9x + 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'.
2.5 + 2.25x + x2 = 0

Move the constant term to the right:

Add '-2.5' to each side of the equation.
2.5 + 2.25x + -2.5 + x2 = 0 + -2.5

Reorder the terms:
2.5 + -2.5 + 2.25x + x2 = 0 + -2.5

Combine like terms: 2.5 + -2.5 = 0.0
0.0 + 2.25x + x2 = 0 + -2.5
2.25x + x2 = 0 + -2.5

Combine like terms: 0 + -2.5 = -2.5
2.25x + x2 = -2.5

The x term is 2.25x.  Take half its coefficient (1.125).
Square it (1.265625) and add it to both sides.

Add '1.265625' to each side of the equation.
2.25x + 1.265625 + x2 = -2.5 + 1.265625

Reorder the terms:
1.265625 + 2.25x + x2 = -2.5 + 1.265625

Combine like terms: -2.5 + 1.265625 = -1.234375
1.265625 + 2.25x + x2 = -1.234375

Factor a perfect square on the left side:
(x + 1.125)(x + 1.125) = -1.234375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 3d+9=2d+15 | | X^2(x-1)-13x(x-1)+49(x-1)=0 | | (-6h^5+3k^4)-4(h^5+2k^4)= | | cosx+cos(2x)=0 | | 8(x-2)=41.6 | | 3*(4x-3)=5*(5-x) | | -2(2.2x-3.3)=-6.6 | | 8(a+9)=102.4 | | -(6p^2-q-4)+(3-p^2-9q)= | | 2g+5h=49 | | -6-2x=8 | | 6=7c-4 | | 5c-3=15.5 | | x^2-8x-y^2+10y-9=0 | | 8x/3x=5 | | 2y=13.2 | | 32x*x^2=24x*9x^2 | | 7y-3=2y+42 | | 9/16=x/16 | | 2x+3y-4+5=4x+5y | | 8k-1=11 | | 5w+14=44 | | 8(a+9)=128 | | 5/18*8/12 | | 2(-2x-4)+6=5-3(x-1) | | 25+c^2=96 | | 0.4x(x+200)=900 | | 4=2c-2 | | 7c-1=27 | | (2*a)+b=36 | | 23a=92 | | 45x=135 |

Equations solver categories