30x^2-4x-16=0

Simple and best practice solution for 30x^2-4x-16=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 30x^2-4x-16=0 equation:


Simplifying
30x2 + -4x + -16 = 0

Reorder the terms:
-16 + -4x + 30x2 = 0

Solving
-16 + -4x + 30x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '2'.
2(-8 + -2x + 15x2) = 0

Factor a trinomial.
2((-2 + -3x)(4 + -5x)) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(-2 + -3x)' equal to zero and attempt to solve: Simplifying -2 + -3x = 0 Solving -2 + -3x = 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 + -3x = 0 + 2 Combine like terms: -2 + 2 = 0 0 + -3x = 0 + 2 -3x = 0 + 2 Combine like terms: 0 + 2 = 2 -3x = 2 Divide each side by '-3'. x = -0.6666666667 Simplifying x = -0.6666666667

Subproblem 2

Set the factor '(4 + -5x)' equal to zero and attempt to solve: Simplifying 4 + -5x = 0 Solving 4 + -5x = 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 + -5x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -5x = 0 + -4 -5x = 0 + -4 Combine like terms: 0 + -4 = -4 -5x = -4 Divide each side by '-5'. x = 0.8 Simplifying x = 0.8

Solution

x = {-0.6666666667, 0.8}

See similar equations:

| 40=4(x-2) | | 1.1*104= | | 2-b=26 | | 6y-0.9=19.4-y | | 1.1*105= | | (y-5)2= | | 8g+100=300 | | 6y-1.2x=15 | | -416=-8(-7r+3) | | n-2=87 | | -6(1-7n)+4=10-9(n-5) | | 9B=10+10b | | 0.3(x+10)-0.05(x-20)=-11 | | 28+24a=26 | | -36=10-2x | | .7(5x+15)=2.8-(x-3) | | n+38=82 | | 21=3(1+6x)+5(x-1) | | 2x+4x-12=-48 | | P-3-5p=13 | | 42x^2-1x-30=0 | | 1-9b-12=-2 | | 0=2(x-5) | | n-35=88 | | 4a-3b-2c= | | -3=-1-1j | | 2(3m-2)=7 | | 7x=2(x-e) | | -t/4=-9.42 | | n-49=59 | | F(X)=3x^2-7x+4 | | 21(2-x)=44-12x |

Equations solver categories