21x^2+16x=15x

Simple and best practice solution for 21x^2+16x=15x 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 21x^2+16x=15x equation:


Simplifying
21x2 + 16x = 15x

Reorder the terms:
16x + 21x2 = 15x

Solving
16x + 21x2 = 15x

Solving for variable 'x'.

Reorder the terms:
16x + -15x + 21x2 = 15x + -15x

Combine like terms: 16x + -15x = 1x
1x + 21x2 = 15x + -15x

Combine like terms: 15x + -15x = 0
1x + 21x2 = 0

Factor out the Greatest Common Factor (GCF), 'x'.
x(1 + 21x) = 0

Subproblem 1

Set the factor 'x' equal to zero and attempt to solve: Simplifying x = 0 Solving x = 0 Move all terms containing x to the left, all other terms to the right. Simplifying x = 0

Subproblem 2

Set the factor '(1 + 21x)' equal to zero and attempt to solve: Simplifying 1 + 21x = 0 Solving 1 + 21x = 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 + 21x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + 21x = 0 + -1 21x = 0 + -1 Combine like terms: 0 + -1 = -1 21x = -1 Divide each side by '21'. x = -0.04761904762 Simplifying x = -0.04761904762

Solution

x = {0, -0.04761904762}

See similar equations:

| 5m-(2m+3)-7=9 | | -9/x+5/x | | 4+3x=64 | | t/-8=-3/8 | | 20/3*5/19=t | | G/6=-14 | | -7(3)+9y=15 | | -7(3)+9y=15 | | 2/13*X=12 | | 2x-3(x+4)=4 | | -5(3)+6y=3 | | 3(1/3x+2/3)=7 | | 2x+3y+4x= | | 2w^2-8w-200=0 | | 4(2)+3(6)=26 | | -7(-8)+6y=8 | | -7(-8)+6=8 | | 4(2)-8y=-16 | | -2(6)-y=-5 | | 260=2x+(2)2/3x | | 9/10t=117600000 | | 4(2)+3(3)=19 | | x^2+6x+5=21 | | -4x-5(-4)=-20 | | 3p-16=-12+2p | | 4x-8=12x+10 | | 5n-8=-12+4n | | -4=0.6(-10)+b | | -7*6-7y=14 | | 2(6)+3(5)=27 | | y/4=y+60/2 | | y+10=3y |

Equations solver categories