0=-2(x*x)+9x+5

Simple and best practice solution for 0=-2(x*x)+9x+5 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=-2(x*x)+9x+5 equation:


Simplifying
0 = -2(x * x) + 9x + 5

Multiply x * x
0 = -2(x2) + 9x + 5

Reorder the terms:
0 = 5 + 9x + -2x2

Solving
0 = 5 + 9x + -2x2

Solving for variable 'x'.

Combine like terms: 0 + -5 = -5
-5 + -9x + 2x2 = 5 + 9x + -2x2 + -5 + -9x + 2x2

Reorder the terms:
-5 + -9x + 2x2 = 5 + -5 + 9x + -9x + -2x2 + 2x2

Combine like terms: 5 + -5 = 0
-5 + -9x + 2x2 = 0 + 9x + -9x + -2x2 + 2x2
-5 + -9x + 2x2 = 9x + -9x + -2x2 + 2x2

Combine like terms: 9x + -9x = 0
-5 + -9x + 2x2 = 0 + -2x2 + 2x2
-5 + -9x + 2x2 = -2x2 + 2x2

Combine like terms: -2x2 + 2x2 = 0
-5 + -9x + 2x2 = 0

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

Subproblem 1

Set the factor '(-1 + -2x)' equal to zero and attempt to solve: Simplifying -1 + -2x = 0 Solving -1 + -2x = 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 + -2x = 0 + 1 Combine like terms: -1 + 1 = 0 0 + -2x = 0 + 1 -2x = 0 + 1 Combine like terms: 0 + 1 = 1 -2x = 1 Divide each side by '-2'. x = -0.5 Simplifying x = -0.5

Subproblem 2

Set the factor '(5 + -1x)' equal to zero and attempt to solve: Simplifying 5 + -1x = 0 Solving 5 + -1x = 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 + -1x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -1x = 0 + -5 -1x = 0 + -5 Combine like terms: 0 + -5 = -5 -1x = -5 Divide each side by '-1'. x = 5 Simplifying x = 5

Solution

x = {-0.5, 5}

See similar equations:

| 125-8y^3= | | 6=0.151t-0.59 | | -3y+16=10y-10 | | -6p-6=60 | | -3y+16=10-10 | | 3t(t-2)=0 | | -7(-4+r)=7 | | 5n(5)+20n=5(5+20) | | 112=8x+8 | | 6(-2+v)=-54 | | (3w+2)2=44 | | -7(9+b)=-98 | | 9x+5y=0 | | -7(n-10)=182 | | 261x^2=196 | | x+800=500 | | -5=.5(x+4)-1.5 | | 3(x-5)=6x-2(x+5) | | -39=4k+9 | | 3(2y+3)=2(5)+1 | | -8=7k+3k | | 5=0.169t-0.64 | | 100=15.75+3.2 | | 3z-5-9z=7-6z-12 | | 18=-6(x+1) | | 3x=33000 | | -10.2+c=8.14 | | 6x+x=1456 | | 24=x/2 | | b+15=-5 | | -5+6=p | | -53=3+7m |

Equations solver categories