If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 21x2 + -4x + -1 = 0 Reorder the terms: -1 + -4x + 21x2 = 0 Solving -1 + -4x + 21x2 = 0 Solving for variable 'x'. Factor a trinomial. (-1 + -7x)(1 + -3x) = 0Subproblem 1
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 = -0.1428571429Subproblem 2
Set the factor '(1 + -3x)' equal to zero and attempt to solve: Simplifying 1 + -3x = 0 Solving 1 + -3x = 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 + -3x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -3x = 0 + -1 -3x = 0 + -1 Combine like terms: 0 + -1 = -1 -3x = -1 Divide each side by '-3'. x = 0.3333333333 Simplifying x = 0.3333333333Solution
x = {-0.1428571429, 0.3333333333}
| 12x-234=4x-10 | | 5y^2+7y^2+2=0 | | -2=3x/5+1 | | 4z+8z=z-7-5z | | 4x+2x=36 | | -9(8)-3(8)-8(6)=-7 | | 7x-(6x+8)=-3 | | 12-8x=172-43x | | 14x+(3x+10)=180 | | 5(8)+2(8)+6(6)=92 | | 9(8)+9(8)+6(6)=180 | | 2x+3x-15=20 | | 0.15x+0.05(4-x)=0.10(-6) | | -5(2x+3)+8x-9=6x-8(x+3) | | 6(z-7)=7z-4 | | 3x+7=3(x-6) | | 7u^2-6x-1=0 | | -(14-a)= | | 5(8)+8(8)-9(6)=50 | | 89-3x=7-8x | | X^3+4x^2+21x=0 | | -5(7)-9(9)+2(0)=5 | | 3r^2+270=0 | | -9(7)+8(9)+8(0)=12 | | -8(7)+2(9)+6(0)=-38 | | 4x+31=14x-59 | | 2b-6= | | 4b-6=6-2b | | 7-y=1 | | x^2-7x=x(8+x) | | 2a-3=-3a+7 | | 3(2x-7)=-9 |