(11x^2-2x+5)-7x^2-8x+6=

Simple and best practice solution for (11x^2-2x+5)-7x^2-8x+6= 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 (11x^2-2x+5)-7x^2-8x+6= equation:


Simplifying
(11x2 + -2x + 5) + -7x2 + -8x + 6 = 0

Reorder the terms:
(5 + -2x + 11x2) + -7x2 + -8x + 6 = 0

Remove parenthesis around (5 + -2x + 11x2)
5 + -2x + 11x2 + -7x2 + -8x + 6 = 0

Reorder the terms:
5 + 6 + -2x + -8x + 11x2 + -7x2 = 0

Combine like terms: 5 + 6 = 11
11 + -2x + -8x + 11x2 + -7x2 = 0

Combine like terms: -2x + -8x = -10x
11 + -10x + 11x2 + -7x2 = 0

Combine like terms: 11x2 + -7x2 = 4x2
11 + -10x + 4x2 = 0

Solving
11 + -10x + 4x2 = 0

Solving for variable 'x'.

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

Divide each side by '4'.
2.75 + -2.5x + x2 = 0

Move the constant term to the right:

Add '-2.75' to each side of the equation.
2.75 + -2.5x + -2.75 + x2 = 0 + -2.75

Reorder the terms:
2.75 + -2.75 + -2.5x + x2 = 0 + -2.75

Combine like terms: 2.75 + -2.75 = 0.00
0.00 + -2.5x + x2 = 0 + -2.75
-2.5x + x2 = 0 + -2.75

Combine like terms: 0 + -2.75 = -2.75
-2.5x + x2 = -2.75

The x term is -2.5x.  Take half its coefficient (-1.25).
Square it (1.5625) and add it to both sides.

Add '1.5625' to each side of the equation.
-2.5x + 1.5625 + x2 = -2.75 + 1.5625

Reorder the terms:
1.5625 + -2.5x + x2 = -2.75 + 1.5625

Combine like terms: -2.75 + 1.5625 = -1.1875
1.5625 + -2.5x + x2 = -1.1875

Factor a perfect square on the left side:
(x + -1.25)(x + -1.25) = -1.1875

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 1132=16+19+167 | | 16(t-5)+5t=7(3t+4)-11 | | x-5=x+6 | | 7x+5=5x-1 | | -3x-1=5(6x+5)+2 | | 0.7t=4.9 | | 4x+8=-7 | | 2.5y+5=180 | | n+1=2n-7 | | -42=7a | | 1073+1108-x=1000 | | 8x+5x-66=44-9x | | 6x-12+5x=9x-8+6x | | (x^2)+5x+12=0 | | 19=-4u-5 | | 21x-39=10x+49 | | 25+5w=30.76+w | | X+20=-6 | | 3[4-(1-5)]= | | 4(n-3)=14-2(n+1) | | 18x=14x+18 | | -2(w+3)=w-6+3(4w+6) | | -4.9x^2+2.7x-2.6=0 | | 6x-12+5x=9x-8-6x | | 2=6+v | | 9(r-8)=-8(3-r) | | 14.1=18 | | 4+2t=8 | | -4(5y-1)+3y=-2(y+1) | | y+15=28 | | (10+a)+10= | | 3y+2=2y*16 |

Equations solver categories