7+x^2=3x

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


Simplifying
7 + x2 = 3x

Solving
7 + x2 = 3x

Solving for variable 'x'.

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

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

Begin completing the square.

Move the constant term to the right:

Add '-7' to each side of the equation.
7 + -3x + -7 + x2 = 0 + -7

Reorder the terms:
7 + -7 + -3x + x2 = 0 + -7

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

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

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 = -7 + 2.25

Reorder the terms:
2.25 + -3x + x2 = -7 + 2.25

Combine like terms: -7 + 2.25 = -4.75
2.25 + -3x + x2 = -4.75

Factor a perfect square on the left side:
(x + -1.5)(x + -1.5) = -4.75

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 3x^2+17x-10= | | 7d+5c= | | 6x+5*6=30 | | 4x^3-6x+75=0 | | 32x5/12 | | 3x+14=5y+1 | | y=5sin(5t/7-2x/11)/3) | | (s+2)2s+4=43.2 | | 25y^4-40y^3+16y^2=0 | | x^3+4x^2+2x=-8 | | 7x+4x+3=-8x | | 2y+13=-7 | | 1/4(n-16)=7 | | 6x+5.6=30 | | -7+5-(-6)-2= | | -3(6x-2)=30 | | 4(y+8)=5(y-7) | | 3(7-m+4)-16= | | p^2=20-p | | 6x+5.3=30 | | Ln(x+36)-ln(2x+6)=1 | | 2(2z-3)-2(4-5z)=4 | | 11x^2+44x+44=0 | | 2x-14/12=-2 | | -6b+9+4b= | | 5b+6a-7b= | | (6x)+5.3=30 | | 4p+5q=37 | | 3(4z-1)-3(6-3z)=3 | | 0=4x^2+33x-27 | | .66(x+6)=7 | | 375x+240x=15.000 |

Equations solver categories