(2x+1)(x)=45

Simple and best practice solution for (2x+1)(x)=45 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 (2x+1)(x)=45 equation:


Simplifying
(2x + 1)(x) = 45

Reorder the terms:
(1 + 2x)(x) = 45

Reorder the terms for easier multiplication:
x(1 + 2x) = 45
(1 * x + 2x * x) = 45
(1x + 2x2) = 45

Solving
1x + 2x2 = 45

Solving for variable 'x'.

Reorder the terms:
-45 + 1x + 2x2 = 45 + -45

Combine like terms: 45 + -45 = 0
-45 + 1x + 2x2 = 0

Factor a trinomial.
(-5 + -1x)(9 + -2x) = 0

Subproblem 1

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

Subproblem 2

Set the factor '(9 + -2x)' equal to zero and attempt to solve: Simplifying 9 + -2x = 0 Solving 9 + -2x = 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 + -2x = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -2x = 0 + -9 -2x = 0 + -9 Combine like terms: 0 + -9 = -9 -2x = -9 Divide each side by '-2'. x = 4.5 Simplifying x = 4.5

Solution

x = {-5, 4.5}

See similar equations:

| (y+6)/(y+4)=(y+7)/(y+5) | | (y+6)/(y+4)=(y+7)/(y+5)+1 | | 2/9n=-4 | | x+7=10.5 | | 1/4n=4 | | 8(x-8)-6x(x-5)+7x= | | x-7=10.5 | | 5n-7-4=4 | | 4x-5x+2x-4x+3x= | | -4(6-4)+1= | | 3(9+5)-7= | | 3/4-1/4x1/2-9/14 | | 10z^2-33z+20=0 | | -8-3x=11 | | 2c+18/9c^2+6c-3 | | x+22+4x=-35-4x-42 | | 180-x=2(90-x)+22 | | 3w^2+10w-77=0 | | x+4/2=7 | | ln(8x-7)=0 | | -(x+3)+3/4x+5=0 | | -15+2x=12 | | -15+2*12=12 | | 0.06(t-9)=0.07t+0.27 | | y+5=-4/5x+(4/5)*7 | | (2w-1)(3-w)=0 | | -1/2(b+2)+3b=-1 | | 8(u+8)=-7u-11 | | 14x+25=23.32 | | 25x+14=23.32 | | 4x+27=15 | | x+45=63 |

Equations solver categories