10x^2-17x+20=0

Simple and best practice solution for 10x^2-17x+20=0 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 10x^2-17x+20=0 equation:


Simplifying
10x2 + -17x + 20 = 0

Reorder the terms:
20 + -17x + 10x2 = 0

Solving
20 + -17x + 10x2 = 0

Solving for variable 'x'.

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

Divide each side by '10'.
2 + -1.7x + x2 = 0

Move the constant term to the right:

Add '-2' to each side of the equation.
2 + -1.7x + -2 + x2 = 0 + -2

Reorder the terms:
2 + -2 + -1.7x + x2 = 0 + -2

Combine like terms: 2 + -2 = 0
0 + -1.7x + x2 = 0 + -2
-1.7x + x2 = 0 + -2

Combine like terms: 0 + -2 = -2
-1.7x + x2 = -2

The x term is -1.7x.  Take half its coefficient (-0.85).
Square it (0.7225) and add it to both sides.

Add '0.7225' to each side of the equation.
-1.7x + 0.7225 + x2 = -2 + 0.7225

Reorder the terms:
0.7225 + -1.7x + x2 = -2 + 0.7225

Combine like terms: -2 + 0.7225 = -1.2775
0.7225 + -1.7x + x2 = -1.2775

Factor a perfect square on the left side:
(x + -0.85)(x + -0.85) = -1.2775

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| -3(x+9)=6 | | 48x+x^2=540 | | 10x^2-2x-20=0 | | 6x-63+4x=26 | | 10x^2-2x+20=0 | | 4y-4x=-30 | | (14x+6)-58=4x+28 | | -10=5a-3 | | -6+m=5 | | -3+9z+2+4z= | | 6(4x+7)-1=24x+41 | | (21x-12)-(12x-24)=12x-24 | | 2y+5x=8 | | X+(-15)=55 | | C+4=5 | | 4x-7-3x=-27 | | 1.5(x+-2)=5 | | 54x=344 | | X/16=-1 | | 5x+4-x=16 | | X+-6=11 | | (4x/2y)³ | | (z*2)+(8+c)+(z)=43 | | 1/2x=3(1/2) | | 54+.9x=38+.13x | | 10-203940294=x | | 2x^2-25=3x^2+60 | | (-x^2+2x-3)(4x-5)=0 | | -(8x+4)=8-4x | | 6(3z-1)-4(z+5)=5(z+1) | | 183-13x=10x-10 | | (-9x^3y^2)(6xy^6)= |

Equations solver categories