4x^2-28x=-40

Simple and best practice solution for 4x^2-28x=-40 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 4x^2-28x=-40 equation:


Simplifying
4x2 + -28x = -40

Reorder the terms:
-28x + 4x2 = -40

Solving
-28x + 4x2 = -40

Solving for variable 'x'.

Reorder the terms:
40 + -28x + 4x2 = -40 + 40

Combine like terms: -40 + 40 = 0
40 + -28x + 4x2 = 0

Factor out the Greatest Common Factor (GCF), '4'.
4(10 + -7x + x2) = 0

Factor a trinomial.
4((2 + -1x)(5 + -1x)) = 0

Ignore the factor 4.

Subproblem 1

Set the factor '(2 + -1x)' equal to zero and attempt to solve: Simplifying 2 + -1x = 0 Solving 2 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -1x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -1x = 0 + -2 -1x = 0 + -2 Combine like terms: 0 + -2 = -2 -1x = -2 Divide each side by '-1'. x = 2 Simplifying x = 2

Subproblem 2

Set the factor '(5 + -1x)' equal to zero and attempt to solve: Simplifying 5 + -1x = 0 Solving 5 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + -1x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -1x = 0 + -5 -1x = 0 + -5 Combine like terms: 0 + -5 = -5 -1x = -5 Divide each side by '-1'. x = 5 Simplifying x = 5

Solution

x = {2, 5}

See similar equations:

| 9+N+7=16 | | 4x-1=2(x-5)+43-3x | | 2n+4(n-2)=8+6(n-2) | | 2/5x-3=-5 | | x+(x+2)+(x+4)=108 | | 3-7/3=7/2x | | 3y-8=7y-2y | | 3m(m-6)=6 | | 7y+11=10+10y | | x-3x^1/2-18 | | x=-0.9375 | | Y-17=51 | | 7y+11=10y+10 | | 5.3(22-3.42x)= | | 39/6=x/8 | | 5+6*2= | | x(x^2-5x-3)=0 | | a=(b-c)/a | | 23+4k=8k+13 | | -9+(-3)=6 | | 7a+4b+5c=16 | | 4M^2=25 | | 6x^2-5x= | | (3x^2+2y+1)dx+(2x+6y^2+2)dy=0 | | 8y-3=37 | | 3a+3b=18 | | 3-(5-15n)=15(3n-2) | | 7x+8x=8x-3 | | f(x)=2x^2+3x | | .5(5+-7x)=8+(4x+6) | | 0-7y=2 | | 3+-t-7=t-7 |

Equations solver categories