(7x^2-6x+4)+(-2x^2+5x+1)=

Simple and best practice solution for (7x^2-6x+4)+(-2x^2+5x+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 (7x^2-6x+4)+(-2x^2+5x+1)= equation:


Simplifying
(7x2 + -6x + 4) + (-2x2 + 5x + 1) = 0

Reorder the terms:
(4 + -6x + 7x2) + (-2x2 + 5x + 1) = 0

Remove parenthesis around (4 + -6x + 7x2)
4 + -6x + 7x2 + (-2x2 + 5x + 1) = 0

Reorder the terms:
4 + -6x + 7x2 + (1 + 5x + -2x2) = 0

Remove parenthesis around (1 + 5x + -2x2)
4 + -6x + 7x2 + 1 + 5x + -2x2 = 0

Reorder the terms:
4 + 1 + -6x + 5x + 7x2 + -2x2 = 0

Combine like terms: 4 + 1 = 5
5 + -6x + 5x + 7x2 + -2x2 = 0

Combine like terms: -6x + 5x = -1x
5 + -1x + 7x2 + -2x2 = 0

Combine like terms: 7x2 + -2x2 = 5x2
5 + -1x + 5x2 = 0

Solving
5 + -1x + 5x2 = 0

Solving for variable 'x'.

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

Divide each side by '5'.
1 + -0.2x + x2 = 0

Move the constant term to the right:

Add '-1' to each side of the equation.
1 + -0.2x + -1 + x2 = 0 + -1

Reorder the terms:
1 + -1 + -0.2x + x2 = 0 + -1

Combine like terms: 1 + -1 = 0
0 + -0.2x + x2 = 0 + -1
-0.2x + x2 = 0 + -1

Combine like terms: 0 + -1 = -1
-0.2x + x2 = -1

The x term is -0.2x.  Take half its coefficient (-0.1).
Square it (0.01) and add it to both sides.

Add '0.01' to each side of the equation.
-0.2x + 0.01 + x2 = -1 + 0.01

Reorder the terms:
0.01 + -0.2x + x2 = -1 + 0.01

Combine like terms: -1 + 0.01 = -0.99
0.01 + -0.2x + x2 = -0.99

Factor a perfect square on the left side:
(x + -0.1)(x + -0.1) = -0.99

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 2/3(3) | | 7c(4d-f)= | | 7p^2+7q^2= | | -4x-22=32-7 | | 4x+7+3x-3-x= | | 3(4x-5y)=2y | | -3/2(x-5)-1 | | 48-x*(4+2)=6 | | y+1=-3/2(x-5) | | 169-123=0 | | -1/9x=18 | | 3+4*X-10=17 | | y-11=-(x-4) | | y-11=(x-4) | | 14-4*x=6 | | v(2uv^2-3)du+(3u^2v^2-3u+4v)dv=0 | | 8.3x^5-3xy^4= | | 25+8*X/16-11=16 | | x*15-8*3=6 | | x^2+88x+125=0 | | 5(4-4)+13(4+4)= | | (2x-3y)dx+(2y-3x)dy=0 | | 7/d+2d/3 | | 6/5+y=-4 | | 2/7+x/2+(-2)/7 | | 3x^3-10x^2+3x+10=0 | | (6x+9)(x-3x+4)= | | (5x-2)(3x+3)= | | (y^2-2xy+6x)dx-(x^2-2xy+2)dy=0 | | 5/14=11/8x-1/2+5/8x | | 27x^3-54x^2+36x-35=0 | | (x^2+11x+17)/x+3 |

Equations solver categories