5x-2=4x^2+5

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


Simplifying
5x + -2 = 4x2 + 5

Reorder the terms:
-2 + 5x = 4x2 + 5

Reorder the terms:
-2 + 5x = 5 + 4x2

Solving
-2 + 5x = 5 + 4x2

Solving for variable 'x'.

Reorder the terms:
-2 + -5 + 5x + -4x2 = 5 + 4x2 + -5 + -4x2

Combine like terms: -2 + -5 = -7
-7 + 5x + -4x2 = 5 + 4x2 + -5 + -4x2

Reorder the terms:
-7 + 5x + -4x2 = 5 + -5 + 4x2 + -4x2

Combine like terms: 5 + -5 = 0
-7 + 5x + -4x2 = 0 + 4x2 + -4x2
-7 + 5x + -4x2 = 4x2 + -4x2

Combine like terms: 4x2 + -4x2 = 0
-7 + 5x + -4x2 = 0

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

Divide each side by '-4'.
1.75 + -1.25x + x2 = 0

Move the constant term to the right:

Add '-1.75' to each side of the equation.
1.75 + -1.25x + -1.75 + x2 = 0 + -1.75

Reorder the terms:
1.75 + -1.75 + -1.25x + x2 = 0 + -1.75

Combine like terms: 1.75 + -1.75 = 0.00
0.00 + -1.25x + x2 = 0 + -1.75
-1.25x + x2 = 0 + -1.75

Combine like terms: 0 + -1.75 = -1.75
-1.25x + x2 = -1.75

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 = -1.75 + 0.390625

Reorder the terms:
0.390625 + -1.25x + x2 = -1.75 + 0.390625

Combine like terms: -1.75 + 0.390625 = -1.359375
0.390625 + -1.25x + x2 = -1.359375

Factor a perfect square on the left side:
(x + -0.625)(x + -0.625) = -1.359375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 5-4x=0.15x+8 | | 11b-12=6b+3 | | (7-3i)+(9i-3)= | | -133=9x-5 | | 5x-7=5(x+3) | | 37+w=5w-25 | | 10x-1=(2x+1)2 | | 3k+2h=-5 | | 11=8x-2 | | 40+(x-10)+(x-20)+(.3x)=360 | | -2(5x+3)=11+5x-8x-6 | | 8y-3+2y=180 | | 3x^2-4x=38 | | ax+2xy=14+y | | 93.1+4.6m=2.1m+5.6 | | 22+46=6(1+b) | | -2(3x+8)=-6x-16 | | 8y-3+2y=90 | | xr+av=1 | | 25=3x+6 | | 0.2x^2+1.6x-5=0 | | 3r+2r=20 | | 28-x=18 | | x+8=c | | A^4-17a^2+16=0 | | 4/5s+3=-7 | | 7p+86+117=180 | | 22-4x=22x+126 | | (3x+1)(x-3)= | | 13-2*[16+(7-5)-3x]=7 | | 4(3q-2)1=6q | | 180=6x+13 |

Equations solver categories