-7x^2+4x=10

Simple and best practice solution for -7x^2+4x=10 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 -7x^2+4x=10 equation:


Simplifying
-7x2 + 4x = 10

Reorder the terms:
4x + -7x2 = 10

Solving
4x + -7x2 = 10

Solving for variable 'x'.

Reorder the terms:
-10 + 4x + -7x2 = 10 + -10

Combine like terms: 10 + -10 = 0
-10 + 4x + -7x2 = 0

Begin completing the square.  Divide all terms by
-7 the coefficient of the squared term: 

Divide each side by '-7'.
1.428571429 + -0.5714285714x + x2 = 0

Move the constant term to the right:

Add '-1.428571429' to each side of the equation.
1.428571429 + -0.5714285714x + -1.428571429 + x2 = 0 + -1.428571429

Reorder the terms:
1.428571429 + -1.428571429 + -0.5714285714x + x2 = 0 + -1.428571429

Combine like terms: 1.428571429 + -1.428571429 = 0.000000000
0.000000000 + -0.5714285714x + x2 = 0 + -1.428571429
-0.5714285714x + x2 = 0 + -1.428571429

Combine like terms: 0 + -1.428571429 = -1.428571429
-0.5714285714x + x2 = -1.428571429

The x term is -0.5714285714x.  Take half its coefficient (-0.2857142857).
Square it (0.08163265305) and add it to both sides.

Add '0.08163265305' to each side of the equation.
-0.5714285714x + 0.08163265305 + x2 = -1.428571429 + 0.08163265305

Reorder the terms:
0.08163265305 + -0.5714285714x + x2 = -1.428571429 + 0.08163265305

Combine like terms: -1.428571429 + 0.08163265305 = -1.34693877595
0.08163265305 + -0.5714285714x + x2 = -1.34693877595

Factor a perfect square on the left side:
(x + -0.2857142857)(x + -0.2857142857) = -1.34693877595

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| .4(6x+12)=1.2-(x+2) | | -9+6x=-2x+79 | | 222=101-w | | 6-x-x=16 | | -v+63=204 | | 9m+8n=105 | | -3(6x+6)+6(4x-3)=-78 | | 7-2(-6)=y | | 9n+8m=105 | | 18-v=5v | | 12x^3-243x=0 | | 8(0.5x+2)=2x+4 | | 2-5x=-7+20 | | 49+8y=15y | | X^2+X^2=85 | | 16-2w=-14 | | x+(7-2x)=1 | | 45=7-3+35-2-3 | | 4x+1=6x+2 | | 0.02(x-10)=100 | | tu=v+wforu | | 8d+2=-32-9d | | 6[13-2(4-y)-5y]=23y+2(3-7y) | | 9+3x+3x=45 | | 27=3a-9 | | 2.3x-0.01=1.2x | | (4n-15)=(n) | | 3x-6=8x | | 3h+2h-12=5h+2 | | 9x+17+35=196 | | (-7)(x-4)+8x=12+14 | | 3+2(3x-1)=2x-(x-5) |

Equations solver categories