3x(x-3)+5(x+7)-x(x+1)-2((x*x)+7)+4=0

Simple and best practice solution for 3x(x-3)+5(x+7)-x(x+1)-2((x*x)+7)+4=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 3x(x-3)+5(x+7)-x(x+1)-2((x*x)+7)+4=0 equation:


Simplifying
3x(x + -3) + 5(x + 7) + -1x(x + 1) + -2((x * x) + 7) + 4 = 0

Reorder the terms:
3x(-3 + x) + 5(x + 7) + -1x(x + 1) + -2((x * x) + 7) + 4 = 0
(-3 * 3x + x * 3x) + 5(x + 7) + -1x(x + 1) + -2((x * x) + 7) + 4 = 0
(-9x + 3x2) + 5(x + 7) + -1x(x + 1) + -2((x * x) + 7) + 4 = 0

Reorder the terms:
-9x + 3x2 + 5(7 + x) + -1x(x + 1) + -2((x * x) + 7) + 4 = 0
-9x + 3x2 + (7 * 5 + x * 5) + -1x(x + 1) + -2((x * x) + 7) + 4 = 0
-9x + 3x2 + (35 + 5x) + -1x(x + 1) + -2((x * x) + 7) + 4 = 0

Reorder the terms:
-9x + 3x2 + 35 + 5x + -1x(1 + x) + -2((x * x) + 7) + 4 = 0
-9x + 3x2 + 35 + 5x + (1 * -1x + x * -1x) + -2((x * x) + 7) + 4 = 0
-9x + 3x2 + 35 + 5x + (-1x + -1x2) + -2((x * x) + 7) + 4 = 0

Multiply x * x
-9x + 3x2 + 35 + 5x + -1x + -1x2 + -2((x2) + 7) + 4 = 0
-9x + 3x2 + 35 + 5x + -1x + -1x2 + -2(x2 + 7) + 4 = 0

Reorder the terms:
-9x + 3x2 + 35 + 5x + -1x + -1x2 + -2(7 + x2) + 4 = 0
-9x + 3x2 + 35 + 5x + -1x + -1x2 + (7 * -2 + x2 * -2) + 4 = 0
-9x + 3x2 + 35 + 5x + -1x + -1x2 + (-14 + -2x2) + 4 = 0

Reorder the terms:
35 + -14 + 4 + -9x + 5x + -1x + 3x2 + -1x2 + -2x2 = 0

Combine like terms: 35 + -14 = 21
21 + 4 + -9x + 5x + -1x + 3x2 + -1x2 + -2x2 = 0

Combine like terms: 21 + 4 = 25
25 + -9x + 5x + -1x + 3x2 + -1x2 + -2x2 = 0

Combine like terms: -9x + 5x = -4x
25 + -4x + -1x + 3x2 + -1x2 + -2x2 = 0

Combine like terms: -4x + -1x = -5x
25 + -5x + 3x2 + -1x2 + -2x2 = 0

Combine like terms: 3x2 + -1x2 = 2x2
25 + -5x + 2x2 + -2x2 = 0

Combine like terms: 2x2 + -2x2 = 0
25 + -5x + 0 = 0
25 + -5x = 0

Solving
25 + -5x = 0

Solving for variable 'x'.

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

Add '-25' to each side of the equation.
25 + -25 + -5x = 0 + -25

Combine like terms: 25 + -25 = 0
0 + -5x = 0 + -25
-5x = 0 + -25

Combine like terms: 0 + -25 = -25
-5x = -25

Divide each side by '-5'.
x = 5

Simplifying
x = 5

See similar equations:

| x(4x-1)= | | x(2x-3)= | | -4(x-y)= | | -3(x+y)= | | 9x+27=12x | | x(5+3x(5x(6+x)))=3 | | x[5+3x(5x(6+x))]=3 | | 4x+5=2x+29 | | y^2-15x+56=0 | | 8z=164 | | 5x+41=8x-13 | | x-4=39 | | x^2-16x+23=0 | | 78-6x=10x+19 | | 2(6x+24)-20=-4(12x-72) | | 30a^2-19a-63=0 | | -9=0.167z-11 | | (4y-28)*(y^2+3y+2)=0 | | 2x^2+3x+5=9 | | 2(x)-3=4 | | 12p-13p+8p= | | 4y*y^2+3y+2= | | x^2-3=8 | | 3*y=4 | | 4y^3+12y^2+8y-28y^2-84y-56=0 | | -7=0.50x+5 | | 4(8y+4)-17=-2(4y-8)+13 | | 4(8y+4)-17=-2(4y-8)+133 | | 4y^3-16y^2-76y-56=0 | | -10=0.166666667y-1 | | u^2+14u+49=2u^2+12+50 | | 8-6a=a+32 |

Equations solver categories