4x^2+12=7x^1

Simple and best practice solution for 4x^2+12=7x^1 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+12=7x^1 equation:


Simplifying
4x2 + 12 = 7x

Reorder the terms:
12 + 4x2 = 7x

Solving
12 + 4x2 = 7x

Solving for variable 'x'.

Reorder the terms:
12 + -7x + 4x2 = 7x + -7x

Combine like terms: 7x + -7x = 0
12 + -7x + 4x2 = 0

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

Divide each side by '4'.
3 + -1.75x + x2 = 0

Move the constant term to the right:

Add '-3' to each side of the equation.
3 + -1.75x + -3 + x2 = 0 + -3

Reorder the terms:
3 + -3 + -1.75x + x2 = 0 + -3

Combine like terms: 3 + -3 = 0
0 + -1.75x + x2 = 0 + -3
-1.75x + x2 = 0 + -3

Combine like terms: 0 + -3 = -3
-1.75x + x2 = -3

The x term is -1.75x.  Take half its coefficient (-0.875).
Square it (0.765625) and add it to both sides.

Add '0.765625' to each side of the equation.
-1.75x + 0.765625 + x2 = -3 + 0.765625

Reorder the terms:
0.765625 + -1.75x + x2 = -3 + 0.765625

Combine like terms: -3 + 0.765625 = -2.234375
0.765625 + -1.75x + x2 = -2.234375

Factor a perfect square on the left side:
(x + -0.875)(x + -0.875) = -2.234375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| -4n-12=8 | | 45-20x=-55 | | 8y^2-56x+96=0 | | 16x-116= | | f(9)=-8 | | -4a+123=2a+81 | | 2x+10y=3500 | | y=72+-44x | | 12w-3w=54 | | 109-6b=101-4b | | -3x-11x=-48+20 | | 4x-18=2x+6 | | y=-0.8x(55)+72 | | 90x^3-560x^2=0 | | -5a+149=5a+129 | | 54=3/2x | | -6b+79=3b+43 | | 72x^3+80x=0 | | -1a+130=4a+105 | | 14x-5x-4x=20 | | 3=5/6x-5-1/6 | | (2+3)a=2a+3a | | 2/5-6=-2 | | 3(x-1)-(x+5)=14 | | -9r=134 | | 1a+141=5a+105 | | x-7/10=-2/5 | | 4x+38=86 | | 10a+237=-4a+177 | | 0.7x=40 | | 11z-8=8z+10 | | 35+2b=-2a+135 |

Equations solver categories