If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying x + -3x2 + kx + -21 = 0 Reorder the terms: -21 + kx + x + -3x2 = 0 Solving -21 + kx + x + -3x2 = 0 Solving for variable 'k'. Move all terms containing k to the left, all other terms to the right. Add '21' to each side of the equation. -21 + kx + x + 21 + -3x2 = 0 + 21 Reorder the terms: -21 + 21 + kx + x + -3x2 = 0 + 21 Combine like terms: -21 + 21 = 0 0 + kx + x + -3x2 = 0 + 21 kx + x + -3x2 = 0 + 21 Combine like terms: 0 + 21 = 21 kx + x + -3x2 = 21 Add '-1x' to each side of the equation. kx + x + -1x + -3x2 = 21 + -1x Combine like terms: x + -1x = 0 kx + 0 + -3x2 = 21 + -1x kx + -3x2 = 21 + -1x Add '3x2' to each side of the equation. kx + -3x2 + 3x2 = 21 + -1x + 3x2 Combine like terms: -3x2 + 3x2 = 0 kx + 0 = 21 + -1x + 3x2 kx = 21 + -1x + 3x2 Divide each side by 'x'. k = 21x-1 + -1 + 3x Simplifying k = 21x-1 + -1 + 3x Reorder the terms: k = -1 + 21x-1 + 3x
| -3/4r-3/4= | | 5x+9x=8+3 | | F(-5/3) | | 0.5x0.5/12 | | 9x-12=7x-3 | | 2(x)=3x-4 | | x/7-5=-1 | | z/10-1=3 | | 7h-20=30 | | 18x+3y=22x+4y | | 3x-5=1/2x | | C^2D(c^2D+3)=18 | | 3/2x85/3=0 | | 15x-14+7x+28=8x+6-2x | | 5x^2-4xy+8y^2-81=0 | | 5x^2-4xy+8x^2-81=0 | | 5x+29=2x+74 | | 2-(-80y-23)+26=77+2y-(1996-4y) | | -1.4y+5.2y-8y= | | 50000*1.15= | | 50000*1.015= | | 3(x+5)-5=10 | | 20x^3/2x | | 50000*0.015= | | y+117=45 | | -(3t+9)=5 | | 16a/5 | | tanhx=0.7x | | 5(2x-5)+6(3x+1)=2 | | 7b+1=-b-3 | | (4x+12)-(5x+20)= | | 3w+3=8-2w |