3x=-4-x^2

Simple and best practice solution for 3x=-4-x^2 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 3x=-4-x^2 equation:


Simplifying
3x = -4 + -1x2

Solving
3x = -4 + -1x2

Solving for variable 'x'.

Reorder the terms:
4 + 3x + x2 = -4 + -1x2 + 4 + x2

Reorder the terms:
4 + 3x + x2 = -4 + 4 + -1x2 + x2

Combine like terms: -4 + 4 = 0
4 + 3x + x2 = 0 + -1x2 + x2
4 + 3x + x2 = -1x2 + x2

Combine like terms: -1x2 + x2 = 0
4 + 3x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-4' to each side of the equation.
4 + 3x + -4 + x2 = 0 + -4

Reorder the terms:
4 + -4 + 3x + x2 = 0 + -4

Combine like terms: 4 + -4 = 0
0 + 3x + x2 = 0 + -4
3x + x2 = 0 + -4

Combine like terms: 0 + -4 = -4
3x + x2 = -4

The x term is 3x.  Take half its coefficient (1.5).
Square it (2.25) and add it to both sides.

Add '2.25' to each side of the equation.
3x + 2.25 + x2 = -4 + 2.25

Reorder the terms:
2.25 + 3x + x2 = -4 + 2.25

Combine like terms: -4 + 2.25 = -1.75
2.25 + 3x + x2 = -1.75

Factor a perfect square on the left side:
(x + 1.5)(x + 1.5) = -1.75

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| y+25=17 | | X^4-10x^3-15x^2-50x+24=0 | | 5p^2-22p+8= | | 3h^2+2h-16= | | 3a-[2a^2-(5a-5a^2+17)]= | | 10r^2-21r=-4+6 | | 4y-1+y+51=7y+50-5y | | .67x-7=19 | | 2(6+2n)=8n | | 1-3t=3-4t | | 7a^2-[2a^2-(5a-5a^2+17)]= | | -86-(-21)-35-(-54)= | | 3x-8y=-12 | | 3x+4=-29 | | 2m-29=-29+m | | 6x+4=-32 | | 8x-33=3v+2 | | 2(2d-7)=5 | | 4x-2(x-5)=0 | | 4T=T+4 | | X-10+5x+10=3x | | 0.32(y+12)+5.21=0.24(2y-8)-0.07 | | 4x+2*(x-3)=5*(x-2) | | 3w-18w=105 | | 8x+12y=12 | | 119-4x=23x-20 | | 3x+7=5x-1 | | 2X+9(X-4)=18 | | x=2*(x-1)+3 | | 6(x-4)=6 | | 12-10x=92-24x | | 9x^2+24x-24=0 |

Equations solver categories