21x^2-29x-10=0

Simple and best practice solution for 21x^2-29x-10=0 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^2-29x-10=0 equation:


Simplifying
21x2 + -29x + -10 = 0

Reorder the terms:
-10 + -29x + 21x2 = 0

Solving
-10 + -29x + 21x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-2 + -7x)(5 + -3x) = 0

Subproblem 1

Set the factor '(-2 + -7x)' equal to zero and attempt to solve: Simplifying -2 + -7x = 0 Solving -2 + -7x = 0 Move all terms containing x to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + -7x = 0 + 2 Combine like terms: -2 + 2 = 0 0 + -7x = 0 + 2 -7x = 0 + 2 Combine like terms: 0 + 2 = 2 -7x = 2 Divide each side by '-7'. x = -0.2857142857 Simplifying x = -0.2857142857

Subproblem 2

Set the factor '(5 + -3x)' equal to zero and attempt to solve: Simplifying 5 + -3x = 0 Solving 5 + -3x = 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 + -3x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + -3x = 0 + -5 -3x = 0 + -5 Combine like terms: 0 + -5 = -5 -3x = -5 Divide each side by '-3'. x = 1.666666667 Simplifying x = 1.666666667

Solution

x = {-0.2857142857, 1.666666667}

See similar equations:

| 0.34+5.5n+5.6n=5.2n+6n | | 3y+3(1-y)=-6 | | 8p+5q+1+7p+7q+24= | | 3x+0.866=-3.189x+0.4x+7.2339 | | 5p-4-9p=13-7p | | 12x+7x-12=0 | | y+54+68=158 | | 11+4m+5+m+18+6m= | | (3x+11)=14 | | x*87=87 | | -7.482+5.46x=5.2x-4.7-3.9 | | 3q+10p+18+9q+38p+q= | | (4x+5)-5x=67 | | -5x+24=10x-6 | | 20-2x=3x-10 | | -20s-25s^2+4=0 | | 8-6x=5x+107 | | 7+7p+16+p= | | (3x)=(2x+19) | | a-4.8=0.32-5.4a | | 2x+10=x+99 | | 8x-24=136 | | 4q+9+q= | | 2(8+3x)-8x=4x+4 | | -12a-7+4a+7=0 | | 3x-15-10x=-7 | | 3(a-3)=12(a+4) | | 5x-7=-3x-9 | | 12x+1=10x+8 | | 21+6x=75 | | 1+9= | | 3-10=-7 |

Equations solver categories