(-5x^2+11x-14)+(4x^2-7x-6)=0

Simple and best practice solution for (-5x^2+11x-14)+(4x^2-7x-6)=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 (-5x^2+11x-14)+(4x^2-7x-6)=0 equation:


Simplifying
(-5x2 + 11x + -14) + (4x2 + -7x + -6) = 0

Reorder the terms:
(-14 + 11x + -5x2) + (4x2 + -7x + -6) = 0

Remove parenthesis around (-14 + 11x + -5x2)
-14 + 11x + -5x2 + (4x2 + -7x + -6) = 0

Reorder the terms:
-14 + 11x + -5x2 + (-6 + -7x + 4x2) = 0

Remove parenthesis around (-6 + -7x + 4x2)
-14 + 11x + -5x2 + -6 + -7x + 4x2 = 0

Reorder the terms:
-14 + -6 + 11x + -7x + -5x2 + 4x2 = 0

Combine like terms: -14 + -6 = -20
-20 + 11x + -7x + -5x2 + 4x2 = 0

Combine like terms: 11x + -7x = 4x
-20 + 4x + -5x2 + 4x2 = 0

Combine like terms: -5x2 + 4x2 = -1x2
-20 + 4x + -1x2 = 0

Solving
-20 + 4x + -1x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
-1 the coefficient of the squared term: 

Divide each side by '-1'.
20 + -4x + x2 = 0

Move the constant term to the right:

Add '-20' to each side of the equation.
20 + -4x + -20 + x2 = 0 + -20

Reorder the terms:
20 + -20 + -4x + x2 = 0 + -20

Combine like terms: 20 + -20 = 0
0 + -4x + x2 = 0 + -20
-4x + x2 = 0 + -20

Combine like terms: 0 + -20 = -20
-4x + x2 = -20

The x term is -4x.  Take half its coefficient (-2).
Square it (4) and add it to both sides.

Add '4' to each side of the equation.
-4x + 4 + x2 = -20 + 4

Reorder the terms:
4 + -4x + x2 = -20 + 4

Combine like terms: -20 + 4 = -16
4 + -4x + x2 = -16

Factor a perfect square on the left side:
(x + -2)(x + -2) = -16

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 1/3X-5=-1 | | 2x+19=-6x-13 | | x=9-4 | | 4(-2x+7)=2(x+20)-5(3-2x)+3 | | 65-2x=3x-10 | | (4x^6+14x^5+10x)-(2x^6+16x^5-10x)= | | (x^2-1)(2x^2-x-1)=0 | | ((2/x-2))=((x/x-2))-2 | | 1/3=x/26.4 | | -2(3-X)=1-2X | | (3x^6+4x^3+4x)+(3x^6+9x^3+4x)= | | 5x-6=-24 | | 3m+24=2m+10 | | x-20=21 | | 4x^4-8x^3+5x-10=0 | | 25000=1.25n(12-n) | | x/5+=18 | | .04x^2+1.5x-300=0 | | 4x^4-8x^3+5x-10= | | 5/4n(12-n)=25000 | | 5*(X-1)=10 | | -42=-3p-3p | | (x-5)+(x+8)+(3x+6)=360 | | 20/2(5x) | | 6x+30-11x= | | 10-2x+4+3x=16 | | 5/4n(12-n) | | 9x-10=125 | | 2/x-2=x/(x-2)-2 | | x+3(5+4)=66 | | 36x^4-25x^2+4=0 | | (5x+90)= |

Equations solver categories