3*x-7+9*x^2-3=100

Simple and best practice solution for 3*x-7+9*x^2-3=100 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 3*x-7+9*x^2-3=100 equation:


Simplifying
3x + -7 + 9x2 + -3 = 100

Reorder the terms:
-7 + -3 + 3x + 9x2 = 100

Combine like terms: -7 + -3 = -10
-10 + 3x + 9x2 = 100

Solving
-10 + 3x + 9x2 = 100

Solving for variable 'x'.

Reorder the terms:
-10 + -100 + 3x + 9x2 = 100 + -100

Combine like terms: -10 + -100 = -110
-110 + 3x + 9x2 = 100 + -100

Combine like terms: 100 + -100 = 0
-110 + 3x + 9x2 = 0

Factor a trinomial.
(-11 + -3x)(10 + -3x) = 0

Subproblem 1

Set the factor '(-11 + -3x)' equal to zero and attempt to solve: Simplifying -11 + -3x = 0 Solving -11 + -3x = 0 Move all terms containing x to the left, all other terms to the right. Add '11' to each side of the equation. -11 + 11 + -3x = 0 + 11 Combine like terms: -11 + 11 = 0 0 + -3x = 0 + 11 -3x = 0 + 11 Combine like terms: 0 + 11 = 11 -3x = 11 Divide each side by '-3'. x = -3.666666667 Simplifying x = -3.666666667

Subproblem 2

Set the factor '(10 + -3x)' equal to zero and attempt to solve: Simplifying 10 + -3x = 0 Solving 10 + -3x = 0 Move all terms containing x to the left, all other terms to the right. Add '-10' to each side of the equation. 10 + -10 + -3x = 0 + -10 Combine like terms: 10 + -10 = 0 0 + -3x = 0 + -10 -3x = 0 + -10 Combine like terms: 0 + -10 = -10 -3x = -10 Divide each side by '-3'. x = 3.333333333 Simplifying x = 3.333333333

Solution

x = {-3.666666667, 3.333333333}

See similar equations:

| 2x-(4y-3)+5xz= | | 0.35*50= | | 60+11x-1=3+18x | | 5q+3q=25-9 | | -6+11x+5x-7=147 | | x=x*0.29+312000 | | 79x-2+130=13x | | =56t-16t^2 | | -15k+16k-5=22 | | (x+9)+(x+11)= | | 8*3-1+2(6*4)= | | 4x+1=-1 | | (-2+8i)= | | y=-20x+4 | | 8x-16=2x+20 | | |3x-4|=|x| | | 8(5Y+X)=40 | | -2|5x-1|-3=-11 | | -2+3(-3w+10)= | | 2x-3=3-3-4x | | 3w+4=246 | | x^3+12*x^2+47*x-63=0 | | 3x+1x+7=55 | | 3-10=-0.5(6y-2) | | (6x+2y)+(3x-18)=12 | | m^2=-57 | | 2sin^2+sinx-1=0 | | 2x+4.6=8 | | 6x+1=4x+8 | | (6x-9)=(5x-2) | | x^4+6x^3+2x=18x-15 | | 0.5x^3-6x^2+18x=0 |

Equations solver categories