5x^2=42x+27

Simple and best practice solution for 5x^2=42x+27 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=42x+27 equation:


Simplifying
5x2 = 42x + 27

Reorder the terms:
5x2 = 27 + 42x

Solving
5x2 = 27 + 42x

Solving for variable 'x'.

Reorder the terms:
-27 + -42x + 5x2 = 27 + 42x + -27 + -42x

Reorder the terms:
-27 + -42x + 5x2 = 27 + -27 + 42x + -42x

Combine like terms: 27 + -27 = 0
-27 + -42x + 5x2 = 0 + 42x + -42x
-27 + -42x + 5x2 = 42x + -42x

Combine like terms: 42x + -42x = 0
-27 + -42x + 5x2 = 0

Factor a trinomial.
(-3 + -5x)(9 + -1x) = 0

Subproblem 1

Set the factor '(-3 + -5x)' equal to zero and attempt to solve: Simplifying -3 + -5x = 0 Solving -3 + -5x = 0 Move all terms containing x to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + -5x = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -5x = 0 + 3 -5x = 0 + 3 Combine like terms: 0 + 3 = 3 -5x = 3 Divide each side by '-5'. x = -0.6 Simplifying x = -0.6

Subproblem 2

Set the factor '(9 + -1x)' equal to zero and attempt to solve: Simplifying 9 + -1x = 0 Solving 9 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + -1x = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -1x = 0 + -9 -1x = 0 + -9 Combine like terms: 0 + -9 = -9 -1x = -9 Divide each side by '-1'. x = 9 Simplifying x = 9

Solution

x = {-0.6, 9}

See similar equations:

| 3y+x=-16 | | 3y+x=-16 | | (4x-5)/(3x+7) | | 4(4-8y)-y=3y+7 | | 2/3c+4=15 | | f(x)=-3 | | 8=3c-7 | | 3x+1/4=4x+3/4 | | 2x^2-27x+168=0 | | 3y+14=5y | | 10x+9=3(3x+2) | | x^4-10x^2+40=0 | | U-3/u-2=4/u+4 | | 59x=-2-1+3 | | v+5/6v-1/6=(3/8v+1/4) | | -6(n+2)+13=-3n-8 | | 5g+11=-3 | | -2x+10-4=6 | | 2x^3+27=0 | | 2/3x-1/4+4/3x+3/4=6 | | 2(5c-1)-5=(8c+5) | | 4-1/2d=10 | | 3x+2x=5+3x | | N+2n=30 | | 6x+4x=74 | | 4.0=8.4/X | | 6(a-6)=48 | | a^3x-9ax^3=0 | | (p-6)(p-7)=0 | | 3x+2x=5+3 | | 3(d-4)=15 | | 8=4c-4 |

Equations solver categories