(x^2-2x+1)-(7x^2-3x+8)=

Simple and best practice solution for (x^2-2x+1)-(7x^2-3x+8)= 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 (x^2-2x+1)-(7x^2-3x+8)= equation:


Simplifying
(x2 + -2x + 1) + -1(7x2 + -3x + 8) = 0

Reorder the terms:
(1 + -2x + x2) + -1(7x2 + -3x + 8) = 0

Remove parenthesis around (1 + -2x + x2)
1 + -2x + x2 + -1(7x2 + -3x + 8) = 0

Reorder the terms:
1 + -2x + x2 + -1(8 + -3x + 7x2) = 0
1 + -2x + x2 + (8 * -1 + -3x * -1 + 7x2 * -1) = 0
1 + -2x + x2 + (-8 + 3x + -7x2) = 0

Reorder the terms:
1 + -8 + -2x + 3x + x2 + -7x2 = 0

Combine like terms: 1 + -8 = -7
-7 + -2x + 3x + x2 + -7x2 = 0

Combine like terms: -2x + 3x = 1x
-7 + 1x + x2 + -7x2 = 0

Combine like terms: x2 + -7x2 = -6x2
-7 + 1x + -6x2 = 0

Solving
-7 + 1x + -6x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
-6 the coefficient of the squared term: 

Divide each side by '-6'.
1.166666667 + -0.1666666667x + x2 = 0

Move the constant term to the right:

Add '-1.166666667' to each side of the equation.
1.166666667 + -0.1666666667x + -1.166666667 + x2 = 0 + -1.166666667

Reorder the terms:
1.166666667 + -1.166666667 + -0.1666666667x + x2 = 0 + -1.166666667

Combine like terms: 1.166666667 + -1.166666667 = 0.000000000
0.000000000 + -0.1666666667x + x2 = 0 + -1.166666667
-0.1666666667x + x2 = 0 + -1.166666667

Combine like terms: 0 + -1.166666667 = -1.166666667
-0.1666666667x + x2 = -1.166666667

The x term is -0.1666666667x.  Take half its coefficient (-0.08333333335).
Square it (0.006944444447) and add it to both sides.

Add '0.006944444447' to each side of the equation.
-0.1666666667x + 0.006944444447 + x2 = -1.166666667 + 0.006944444447

Reorder the terms:
0.006944444447 + -0.1666666667x + x2 = -1.166666667 + 0.006944444447

Combine like terms: -1.166666667 + 0.006944444447 = -1.159722222553
0.006944444447 + -0.1666666667x + x2 = -1.159722222553

Factor a perfect square on the left side:
(x + -0.08333333335)(x + -0.08333333335) = -1.159722222553

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 0.80x+0.10(100)=0.40(121) | | 4m/3-1/3=1/9 | | (5x+2)-4=-18 | | 6w+29=-2w-11 | | -x-5+4x=-7+6x+15 | | -x*2=4 | | 2y^2(y^2+2)=y^2+18 | | 8(8-x)=128 | | (5x+2)-4=18 | | 0.45(70)+0.25b=0.15(70+b) | | 55=5x-60 | | 9x+18+3=1 | | 7x-4-x=2x+8-3x | | (3/4)x=-12 | | -15=3(3q-10)-5q | | 0.3b+1.4=0.3(b-8) | | 12x^2-13x-4=1 | | (x-9)-13=8 | | 1-x-0.5x^2=0 | | 7=5-2(7c-2) | | x*7=42 | | -9.5y+3.6=-5.9 | | 3n+3=-444 | | 10-13x+4x^2=0 | | 15/8m-11=7/4m+1 | | 2/3(b-6/5)-13/8=45/8-6/5b | | 5+4x=6x+7 | | R+9=12 | | (8c)^2/3 | | 8x-8+x^3-9x^2= | | (3y-7x)(3y+7x)=0 | | f(x)=2x^2+5x-1 |

Equations solver categories