If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 3x2 + -4x + 21 = 3x2 + 12x + 9 Reorder the terms: 21 + -4x + 3x2 = 3x2 + 12x + 9 Reorder the terms: 21 + -4x + 3x2 = 9 + 12x + 3x2 Add '-3x2' to each side of the equation. 21 + -4x + 3x2 + -3x2 = 9 + 12x + 3x2 + -3x2 Combine like terms: 3x2 + -3x2 = 0 21 + -4x + 0 = 9 + 12x + 3x2 + -3x2 21 + -4x = 9 + 12x + 3x2 + -3x2 Combine like terms: 3x2 + -3x2 = 0 21 + -4x = 9 + 12x + 0 21 + -4x = 9 + 12x Solving 21 + -4x = 9 + 12x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-12x' to each side of the equation. 21 + -4x + -12x = 9 + 12x + -12x Combine like terms: -4x + -12x = -16x 21 + -16x = 9 + 12x + -12x Combine like terms: 12x + -12x = 0 21 + -16x = 9 + 0 21 + -16x = 9 Add '-21' to each side of the equation. 21 + -21 + -16x = 9 + -21 Combine like terms: 21 + -21 = 0 0 + -16x = 9 + -21 -16x = 9 + -21 Combine like terms: 9 + -21 = -12 -16x = -12 Divide each side by '-16'. x = 0.75 Simplifying x = 0.75
| 3x^2-4x+21=3 | | 6x-18-5x-20=6 | | 6x-18-5x+20=6 | | 90x+10+8x+2=-19 | | (5x-4)(x-7)=(1-4x)(x+1) | | (3x+2)(x+1)=(2x-1)(x+6) | | x^2-4x-12=x^2-3x+2 | | 9x-9=54x+216 | | 45x+225=0 | | 3x+5=7x-35 | | 6x-9=11x+26 | | 6x-4/5=10 | | 3x+5/x-5=7 | | 5x+25=3x+39 | | 5x+25=3x-19 | | 6.9x^2=0 | | 4/3+1=2/3+2n | | x-1/4x=120 | | h=16/9 | | 4p+6r= | | x+x+6+2x=94 | | (4x+4)(5x+6)=0 | | x+5x=2838 | | p^2+5p+2=0 | | x=162/11 | | -6/3= | | 31/5/81/3 | | x*23=9 | | -2(5+4x)=18 | | 120/135 | | 50x=(x/3)+10 | | 896/624 |