30x^2+70x+20=0

Simple and best practice solution for 30x^2+70x+20=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+70x+20=0 equation:


Simplifying
30x2 + 70x + 20 = 0

Reorder the terms:
20 + 70x + 30x2 = 0

Solving
20 + 70x + 30x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '10'.
10(2 + 7x + 3x2) = 0

Factor a trinomial.
10((2 + x)(1 + 3x)) = 0

Ignore the factor 10.

Subproblem 1

Set the factor '(2 + x)' equal to zero and attempt to solve: Simplifying 2 + x = 0 Solving 2 + x = 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 + x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + x = 0 + -2 x = 0 + -2 Combine like terms: 0 + -2 = -2 x = -2 Simplifying x = -2

Subproblem 2

Set the factor '(1 + 3x)' equal to zero and attempt to solve: Simplifying 1 + 3x = 0 Solving 1 + 3x = 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 + 3x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + 3x = 0 + -1 3x = 0 + -1 Combine like terms: 0 + -1 = -1 3x = -1 Divide each side by '3'. x = -0.3333333333 Simplifying x = -0.3333333333

Solution

x = {-2, -0.3333333333}

See similar equations:

| -19.9+20.1= | | 5x-y+2-17x-3y+8= | | 1/5-9/10 | | 7d-12+12d+3=18 | | 2(3c-1)-1=3c+3 | | -40+22=-8x+14x | | -9/13/(-4/5) | | 4x+18-3x=-7-12 | | 13-4x=x-4x | | 2sin^2x-sinx+9=0 | | 8r^2=13r+6 | | -5x+8+-4x+-9= | | x^2=-11-10 | | 6r+7=-8x-8 | | 6a+-7b+-5c+-10a+4b+-3c= | | -3(5x+8)=-24 | | 3-2(5-x)+3x=7x-(5+4x) | | 5(9-2x)=45 | | 8x+-8x= | | 12(3+t)=5(2t+8) | | w+5/w+4+1=w-3/w+1 | | 17=-5(3+w)+8 | | 3d-21=24-2d | | -9x+8y=1 | | -9u-5=u^2-5u+4 | | 7w+14=28 | | 9/7a-1/29 | | -4=-4x+16 | | 8x+5y=-60 | | x(x-10)-1=0 | | -7(6y-u-5)= | | x^2-3=7 |

Equations solver categories