D=(x^2-6x-4)+(5x^2+9x-7)

Simple and best practice solution for D=(x^2-6x-4)+(5x^2+9x-7) 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 D=(x^2-6x-4)+(5x^2+9x-7) equation:


Simplifying
D = (x2 + -6x + -4) + (5x2 + 9x + -7)

Reorder the terms:
D = (-4 + -6x + x2) + (5x2 + 9x + -7)

Remove parenthesis around (-4 + -6x + x2)
D = -4 + -6x + x2 + (5x2 + 9x + -7)

Reorder the terms:
D = -4 + -6x + x2 + (-7 + 9x + 5x2)

Remove parenthesis around (-7 + 9x + 5x2)
D = -4 + -6x + x2 + -7 + 9x + 5x2

Reorder the terms:
D = -4 + -7 + -6x + 9x + x2 + 5x2

Combine like terms: -4 + -7 = -11
D = -11 + -6x + 9x + x2 + 5x2

Combine like terms: -6x + 9x = 3x
D = -11 + 3x + x2 + 5x2

Combine like terms: x2 + 5x2 = 6x2
D = -11 + 3x + 6x2

Solving
D = -11 + 3x + 6x2

Solving for variable 'D'.

Move all terms containing D to the left, all other terms to the right.

Simplifying
D = -11 + 3x + 6x2

See similar equations:

| (1/3)b=-3 | | x+2x+3x+2=32 | | 90=-18c | | 7(-8a+7)=-2-5a | | 28=5m+2m | | 180=.5(30+(2x-30))+x | | 2+4((8*8*8)-(4*4*4))= | | 13/2-7x-3=0 | | .004=5/x | | (-8xy)y^3/4x^5y^4 | | -8a-36=2(a+9) | | Y=sin^3x+cos^2x | | -15x-5x=400 | | 3m-8m-8=-6m-7m | | y=x*x*x+1 | | -5(1)-20y=-15 | | -4=-(x+7) | | -54=6(n+9) | | x^3-4x^2+10=0 | | 69k(69+69)=666(666+666) | | (2x+8y)-(3y-2x)= | | 6(p+3)+5=3+5(2p+4)-4p | | 56/n= | | -a-9=3a+17 | | (3/4)y=18 | | 49=6t+t | | Y=2sinx+3cosx | | (6/11)y=1 | | C=(11x^2+7x+8)-(x^2-8x+15) | | x=4(-2)+6 | | -0.5x+8.16=-0.7x+5.76 | | (x+2)(x+8)=-5 |

Equations solver categories