(12x^2)+7x-45=0

Simple and best practice solution for (12x^2)+7x-45=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 (12x^2)+7x-45=0 equation: 


Simplifying
(12x2) + 7x + -45 = 0

Reorder the terms:
-45 + 7x + (12x2) = 0

Solving
-45 + 7x + (12x2) = 0

Solving for variable 'x'.

Factor a trinomial.
(-9 + -4x)(5 + -3x) = 0


Subproblem 1
Set the factor '(-9 + -4x)' equal to zero and attempt to solve:

Simplifying
-9 + -4x = 0

Solving
-9 + -4x = 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 + -4x = 0 + 9

Combine like terms: -9 + 9 = 0
0 + -4x = 0 + 9
-4x = 0 + 9

Combine like terms: 0 + 9 = 9
-4x = 9

Divide each side by '-4'.
x = -2.25

Simplifying
x = -2.25

Subproblem 2
Set the factor '(5 + -3x)' equal to zero and attempt to solve:

Simplifying
5 + -3x = 0

Solving
5 + -3x = 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 + -3x = 0 + -5

Combine like terms: 5 + -5 = 0
0 + -3x = 0 + -5
-3x = 0 + -5

Combine like terms: 0 + -5 = -5
-3x = -5

Divide each side by '-3'.
x = 1.666666667

Simplifying
x = 1.666666667
Solution
x = {-2.25, 1.666666667}

See similar equations:

| 3y(x^2+12-29)= | | X^4=15 | | .3x=2(3x+9) | | 16=1.8c+32 | | 5x^2-60x+10=0 | | 0.027+2=0.035+0 | | 12d-8=8d-5 | | 117-5x=40x+17 | | 3b-5=10 | | 3x^2+15x-30=0 | | 4.2(y-2)=2x-4 | | 23y-4=22y+8 | | x^2-9x=8 | | 6+11=46-4 | | 3(2a-5)= | | 5x+14=-28-9x | | x(9x-5)=14 | | 3(5b+4)= | | 4x^3-14x^2+6x=0 | | 6v+8v=-11-8 | | 3x-2=4x-9 | | 5w-2w=-5-4 | | -28=4w | | x-2+3x=-12+x-8 | | 3(n-2)=12 | | 4(x-5)-5=6x+33 | | 10+2(3+2x)=0 | | 3(x+5)+5(2x+10)= | | 6n+3=3n+24 | | 8t=-3 | | x(x-1)+5(x-1)-8x=0 | | 2x+6=-10 |

Equations solver categories