21x^2+31x+10=6

Simple and best practice solution for 21x^2+31x+10=6 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+31x+10=6 equation:


Simplifying
21x2 + 31x + 10 = 6

Reorder the terms:
10 + 31x + 21x2 = 6

Solving
10 + 31x + 21x2 = 6

Solving for variable 'x'.

Reorder the terms:
10 + -6 + 31x + 21x2 = 6 + -6

Combine like terms: 10 + -6 = 4
4 + 31x + 21x2 = 6 + -6

Combine like terms: 6 + -6 = 0
4 + 31x + 21x2 = 0

Factor a trinomial.
(4 + 3x)(1 + 7x) = 0

Subproblem 1

Set the factor '(4 + 3x)' equal to zero and attempt to solve: Simplifying 4 + 3x = 0 Solving 4 + 3x = 0 Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + 3x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + 3x = 0 + -4 3x = 0 + -4 Combine like terms: 0 + -4 = -4 3x = -4 Divide each side by '3'. x = -1.333333333 Simplifying x = -1.333333333

Subproblem 2

Set the factor '(1 + 7x)' equal to zero and attempt to solve: Simplifying 1 + 7x = 0 Solving 1 + 7x = 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 + 7x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + 7x = 0 + -1 7x = 0 + -1 Combine like terms: 0 + -1 = -1 7x = -1 Divide each side by '7'. x = -0.1428571429 Simplifying x = -0.1428571429

Solution

x = {-1.333333333, -0.1428571429}

See similar equations:

| y^3-8(y^3)^1/2+16 | | 3t(t+5)=18 | | -6-3(6x+8)=-174 | | 3(x+2)-10=7x-4 | | 10+5x-4x=12 | | 17=-6x+7x+8 | | -5(1x-4)=10 | | +5y=75 | | -6(1+8r)-3r=-414 | | 5a+2=6a+(-21) | | 4x-5+5x=-41 | | 114-3x=15x+18 | | (n-2)=4 | | 6(1-2n)=102 | | 7+5x+x=79 | | c-40=315 | | (5x)(x+9)=0 | | 8(8v-1)=-200 | | -3x-6+x=-30 | | 5(r)=4*3.14r^2 | | (2x)(x-9)=0 | | 2a^2-18a-27=0 | | 2a-15=-2a+(-3) | | 4/176 | | 9w-15=7w-1 | | 2a-15=2a+(-3) | | 12a+7=3a+(-11) | | 6=-2x-3x+6 | | 7(a-3)=6(a+4) | | 7+7j=63 | | (n-3)*5=50 | | 26=4y+7y+12 |

Equations solver categories