2x-1=3x^2+7

Simple and best practice solution for 2x-1=3x^2+7 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 2x-1=3x^2+7 equation:


Simplifying
2x + -1 = 3x2 + 7

Reorder the terms:
-1 + 2x = 3x2 + 7

Reorder the terms:
-1 + 2x = 7 + 3x2

Solving
-1 + 2x = 7 + 3x2

Solving for variable 'x'.

Reorder the terms:
-1 + -7 + 2x + -3x2 = 7 + 3x2 + -7 + -3x2

Combine like terms: -1 + -7 = -8
-8 + 2x + -3x2 = 7 + 3x2 + -7 + -3x2

Reorder the terms:
-8 + 2x + -3x2 = 7 + -7 + 3x2 + -3x2

Combine like terms: 7 + -7 = 0
-8 + 2x + -3x2 = 0 + 3x2 + -3x2
-8 + 2x + -3x2 = 3x2 + -3x2

Combine like terms: 3x2 + -3x2 = 0
-8 + 2x + -3x2 = 0

Begin completing the square.  Divide all terms by
-3 the coefficient of the squared term: 

Divide each side by '-3'.
2.666666667 + -0.6666666667x + x2 = 0

Move the constant term to the right:

Add '-2.666666667' to each side of the equation.
2.666666667 + -0.6666666667x + -2.666666667 + x2 = 0 + -2.666666667

Reorder the terms:
2.666666667 + -2.666666667 + -0.6666666667x + x2 = 0 + -2.666666667

Combine like terms: 2.666666667 + -2.666666667 = 0.000000000
0.000000000 + -0.6666666667x + x2 = 0 + -2.666666667
-0.6666666667x + x2 = 0 + -2.666666667

Combine like terms: 0 + -2.666666667 = -2.666666667
-0.6666666667x + x2 = -2.666666667

The x term is -0.6666666667x.  Take half its coefficient (-0.3333333334).
Square it (0.1111111112) and add it to both sides.

Add '0.1111111112' to each side of the equation.
-0.6666666667x + 0.1111111112 + x2 = -2.666666667 + 0.1111111112

Reorder the terms:
0.1111111112 + -0.6666666667x + x2 = -2.666666667 + 0.1111111112

Combine like terms: -2.666666667 + 0.1111111112 = -2.5555555558
0.1111111112 + -0.6666666667x + x2 = -2.5555555558

Factor a perfect square on the left side:
(x + -0.3333333334)(x + -0.3333333334) = -2.5555555558

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 8b-5=5 | | 4b^2+2b+5=0 | | 5x+4=6+10x | | 26+2x+6=8x-2x | | 3x(x^2-5)= | | 7-3(4x+2)=6(2x+3)-17 | | 7-3(4x+2)=6(2x+3)-17 | | T^2-9t+14=0 | | (3x-40)+(7x-120)=180 | | -3x+6=39 | | 3p+6=16+p | | 7(x-3)-6=4x | | 4.8+1.6n=0.32 | | 2x+12=3x-22 | | -4(m+6)=-8 | | 20b+13-12b=-43 | | 10b-7+(-b)+10a-9b+5= | | 8-x=6 | | 5(2x+4)=3(x+5)-19 | | M^2+4m-21=0 | | 2x+y=220 | | -2n(5n+3)= | | -3.2z=10-4.2 | | 4z-2=7+7z | | (3v-6t)(3v+5t)= | | (y+4)(y+4)(y+4)= | | 6x-5=7+8x | | -5z(3z-6)+5z^2=0 | | 11x-(6x-11)=4+4x | | 78=-2(17-n)+12n | | 4x+8=2x-14 | | (r+7)(r+8)= |

Equations solver categories