0=2x(x)-7x-30

Simple and best practice solution for 0=2x(x)-7x-30 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 0=2x(x)-7x-30 equation:


Simplifying
0 = 2x(x) + -7x + -30

Multiply x * x
0 = 2x2 + -7x + -30

Reorder the terms:
0 = -30 + -7x + 2x2

Solving
0 = -30 + -7x + 2x2

Solving for variable 'x'.

Combine like terms: 0 + 30 = 30
30 + 7x + -2x2 = -30 + -7x + 2x2 + 30 + 7x + -2x2

Reorder the terms:
30 + 7x + -2x2 = -30 + 30 + -7x + 7x + 2x2 + -2x2

Combine like terms: -30 + 30 = 0
30 + 7x + -2x2 = 0 + -7x + 7x + 2x2 + -2x2
30 + 7x + -2x2 = -7x + 7x + 2x2 + -2x2

Combine like terms: -7x + 7x = 0
30 + 7x + -2x2 = 0 + 2x2 + -2x2
30 + 7x + -2x2 = 2x2 + -2x2

Combine like terms: 2x2 + -2x2 = 0
30 + 7x + -2x2 = 0

Factor a trinomial.
(6 + -1x)(5 + 2x) = 0

Subproblem 1

Set the factor '(6 + -1x)' equal to zero and attempt to solve: Simplifying 6 + -1x = 0 Solving 6 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + -1x = 0 + -6 Combine like terms: 6 + -6 = 0 0 + -1x = 0 + -6 -1x = 0 + -6 Combine like terms: 0 + -6 = -6 -1x = -6 Divide each side by '-1'. x = 6 Simplifying x = 6

Subproblem 2

Set the factor '(5 + 2x)' equal to zero and attempt to solve: Simplifying 5 + 2x = 0 Solving 5 + 2x = 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 + 2x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + 2x = 0 + -5 2x = 0 + -5 Combine like terms: 0 + -5 = -5 2x = -5 Divide each side by '2'. x = -2.5 Simplifying x = -2.5

Solution

x = {6, -2.5}

See similar equations:

| 1/2(a+6)=1/4(a+5) | | m+9=m+6 | | K-4=8 | | 80s^2+52s-60= | | 30p^2-11p-30=0 | | 2+4x-(x+9)=26 | | 1.6x=64 | | 152=8(-6x+1) | | 27m^3+125= | | 5m-6=4 | | v^2+25v=0 | | -145x^2+36x+4=0 | | 5a+10(a+3)+25(a+2)=520 | | 5/8-y=3/4 | | 3.1(x+2)-1.5x=5.2(x-4) | | 5(b+4)-6=-24 | | 0.08x+0.09(x+400)=138 | | x-16y-16xy=0 | | 3x^2+6xy+3y^2= | | 5x+2-3(x+2)=-2(x+1)+5(x-2) | | -6(x-2)+4(3-6x)=-3 | | y+6=2 | | 2x-16y-16xy=x | | 3x-6+3y=6x | | x^2+y^2+10x+4y+13=0 | | 5(n+2)=35(5+10n) | | 3x-2=3(x-1) | | (-2,1)(-4,4)=0 | | 17+x=20 | | -4k+10k-(5k-6)=-3k-39 | | 8x-7x+4=16 | | 2(t+1)+2(2t)=32 |

Equations solver categories