(7x^2+4x-7)-(nx^2-8)=2x^2+4x+1

Simple and best practice solution for (7x^2+4x-7)-(nx^2-8)=2x^2+4x+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+4x-7)-(nx^2-8)=2x^2+4x+1 equation: 


Simplifying
(7x2 + 4x + -7) + -1(nx2 + -8) = 2x2 + 4x + 1

Reorder the terms:
(-7 + 4x + 7x2) + -1(nx2 + -8) = 2x2 + 4x + 1

Remove parenthesis around (-7 + 4x + 7x2)
-7 + 4x + 7x2 + -1(nx2 + -8) = 2x2 + 4x + 1

Reorder the terms:
-7 + 4x + 7x2 + -1(-8 + nx2) = 2x2 + 4x + 1
-7 + 4x + 7x2 + (-8 * -1 + nx2 * -1) = 2x2 + 4x + 1
-7 + 4x + 7x2 + (8 + -1nx2) = 2x2 + 4x + 1

Reorder the terms:
-7 + 8 + -1nx2 + 4x + 7x2 = 2x2 + 4x + 1

Combine like terms: -7 + 8 = 1
1 + -1nx2 + 4x + 7x2 = 2x2 + 4x + 1

Reorder the terms:
1 + -1nx2 + 4x + 7x2 = 1 + 4x + 2x2

Add '-1' to each side of the equation.
1 + -1nx2 + 4x + -1 + 7x2 = 1 + 4x + -1 + 2x2

Reorder the terms:
1 + -1 + -1nx2 + 4x + 7x2 = 1 + 4x + -1 + 2x2

Combine like terms: 1 + -1 = 0
0 + -1nx2 + 4x + 7x2 = 1 + 4x + -1 + 2x2
-1nx2 + 4x + 7x2 = 1 + 4x + -1 + 2x2

Reorder the terms:
-1nx2 + 4x + 7x2 = 1 + -1 + 4x + 2x2

Combine like terms: 1 + -1 = 0
-1nx2 + 4x + 7x2 = 0 + 4x + 2x2
-1nx2 + 4x + 7x2 = 4x + 2x2

Add '-4x' to each side of the equation.
-1nx2 + 4x + -4x + 7x2 = 4x + -4x + 2x2

Combine like terms: 4x + -4x = 0
-1nx2 + 0 + 7x2 = 4x + -4x + 2x2
-1nx2 + 7x2 = 4x + -4x + 2x2

Combine like terms: 4x + -4x = 0
-1nx2 + 7x2 = 0 + 2x2
-1nx2 + 7x2 = 2x2

Solving
-1nx2 + 7x2 = 2x2

Solving for variable 'n'.

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

Add '-7x2' to each side of the equation.
-1nx2 + 7x2 + -7x2 = 2x2 + -7x2

Combine like terms: 7x2 + -7x2 = 0
-1nx2 + 0 = 2x2 + -7x2
-1nx2 = 2x2 + -7x2

Combine like terms: 2x2 + -7x2 = -5x2
-1nx2 = -5x2

Divide each side by '-1x2'.
n = 5

Simplifying
n = 5

See similar equations:

| 5.13(2.9)= | | f(x)=(2x^2)-6x | | lk+6l=3 | | 9(x+8)=8(x+8)+10 | | 88+23+x=180 | | (5/7x)=9 | | 6+2x=8x-14 | | 21x-13+8x+19=180 | | 7x-5=-4(x+2)-8 | | 9x+16+8x+7=180 | | 21+9l=3l | | 5x-7+x+1=180 | | x-9x+14=0 | | -4-31= | | y-12y=-44 | | M=7msquared+14 | | 13x-52=7x+32 | | 9n-2n=3n-32 | | p=35-q | | x+-3+7=-15 | | 13x-6=11x-6 | | X/-4=1-(-8) | | x-3+7=15 | | 7x+6=13-6 | | 2u^3+5u^2+10u+25= | | 3n+7=9n-5 | | (2/3)x284 | | 11-7=x/4 | | 3c+9=36 | | 5p-10=12p-14 | | 2x+5y-17=0 | | 24x-27x=6-9 |

Equations solver categories