-7x=4x^2+5x-16

Simple and best practice solution for -7x=4x^2+5x-16 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=4x^2+5x-16 equation:


Simplifying
-7x = 4x2 + 5x + -16

Reorder the terms:
-7x = -16 + 5x + 4x2

Solving
-7x = -16 + 5x + 4x2

Solving for variable 'x'.

Reorder the terms:
16 + -7x + -5x + -4x2 = -16 + 5x + 4x2 + 16 + -5x + -4x2

Combine like terms: -7x + -5x = -12x
16 + -12x + -4x2 = -16 + 5x + 4x2 + 16 + -5x + -4x2

Reorder the terms:
16 + -12x + -4x2 = -16 + 16 + 5x + -5x + 4x2 + -4x2

Combine like terms: -16 + 16 = 0
16 + -12x + -4x2 = 0 + 5x + -5x + 4x2 + -4x2
16 + -12x + -4x2 = 5x + -5x + 4x2 + -4x2

Combine like terms: 5x + -5x = 0
16 + -12x + -4x2 = 0 + 4x2 + -4x2
16 + -12x + -4x2 = 4x2 + -4x2

Combine like terms: 4x2 + -4x2 = 0
16 + -12x + -4x2 = 0

Factor out the Greatest Common Factor (GCF), '4'.
4(4 + -3x + -1x2) = 0

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

Ignore the factor 4.

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

Solution

x = {1, -4}

See similar equations:

| 2r^4+6xy^2+3x^3z^2= | | 17x-51x^4=0 | | 2(x-4)=1 | | 17-5a=2 | | 200=x^2-48x+751 | | 8-3k=3k | | 5d^4+13a^2b^4c= | | 24(x+5)=1 | | 3x^2-15x=7x^2-16x | | y^2-15y=-56 | | x=420 | | x=689 | | x^4+11x^3+46x^2+96x+80=0 | | -2x(-1+9)-(-3-8)=-6x(7+9) | | -21*3= | | x^2-3xa-28a^2=0 | | x^2+y^2-64x-36y+100=0 | | 25=9+b^2 | | x^2*x-6x^2+11x-6=0 | | 2b^2+5b-25=0 | | x^3-2=2x | | x^2-3ax-28a^2=0 | | x+(x+1)=71 | | -7+7= | | t=-5t^2+40t | | 4n^2-3=189 | | x^2-2x+64=0 | | X^2-7x-98=0 | | 3x^2-36x-15=0 | | 162+2x^2=0 | | 4(x-9)4=7x | | -15=24+9p |

Equations solver categories