5x^2-3x=x^2+7

Simple and best practice solution for 5x^2-3x=x^2+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 5x^2-3x=x^2+7 equation:


Simplifying
5x2 + -3x = x2 + 7

Reorder the terms:
-3x + 5x2 = x2 + 7

Reorder the terms:
-3x + 5x2 = 7 + x2

Solving
-3x + 5x2 = 7 + x2

Solving for variable 'x'.

Reorder the terms:
-7 + -3x + 5x2 + -1x2 = 7 + x2 + -7 + -1x2

Combine like terms: 5x2 + -1x2 = 4x2
-7 + -3x + 4x2 = 7 + x2 + -7 + -1x2

Reorder the terms:
-7 + -3x + 4x2 = 7 + -7 + x2 + -1x2

Combine like terms: 7 + -7 = 0
-7 + -3x + 4x2 = 0 + x2 + -1x2
-7 + -3x + 4x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
-7 + -3x + 4x2 = 0

Factor a trinomial.
(-1 + -1x)(7 + -4x) = 0

Subproblem 1

Set the factor '(-1 + -1x)' equal to zero and attempt to solve: Simplifying -1 + -1x = 0 Solving -1 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + -1x = 0 + 1 Combine like terms: -1 + 1 = 0 0 + -1x = 0 + 1 -1x = 0 + 1 Combine like terms: 0 + 1 = 1 -1x = 1 Divide each side by '-1'. x = -1 Simplifying x = -1

Subproblem 2

Set the factor '(7 + -4x)' equal to zero and attempt to solve: Simplifying 7 + -4x = 0 Solving 7 + -4x = 0 Move all terms containing x to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -4x = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -4x = 0 + -7 -4x = 0 + -7 Combine like terms: 0 + -7 = -7 -4x = -7 Divide each side by '-4'. x = 1.75 Simplifying x = 1.75

Solution

x = {-1, 1.75}

See similar equations:

| -121x=8-3x | | 16x-8=16x-16 | | 3x-4-6x+7= | | 3p-(20)=50 | | 2Ix-3I+1=7 | | Y+(y-6)-5=-15 | | 4v+3(v-7)=-7 | | 2x+98=10 | | 5u+3(u+4)=20 | | 2x^2+13x=10x+20 | | 8x^2-98y^2= | | 11v+3=-9 | | 2b=24-6b | | 7(y-4)-2y=-8 | | log(4)(9x-3)=3 | | 6x+9+7x+4 = (6x+9)+(7x+4) | | 11v+10=9 | | 8n=25-6-7 | | 2x+98=2 | | x^2+y^2-12x+10y+61=64 | | 27+x+x=26 | | 11+x=13-x | | X+8+x=26-4x | | 3v+37+4v=9 | | 16m^4+1=0 | | 27+2x=65 | | -2.7-k=5.2 | | -9a-5=-8a+3 | | 3y^2-4y+7=0 | | 2x+x+2+x+7=4x+9 | | (4x+3w)(4x+3w)= | | 2t^2-11t+22=10 |

Equations solver categories