If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 0 = x(x + 21) Reorder the terms: 0 = x(21 + x) 0 = (21 * x + x * x) 0 = (21x + x2) Solving 0 = 21x + x2 Solving for variable 'x'. Remove the zero: -21x + -1x2 = 21x + x2 + -21x + -1x2 Reorder the terms: -21x + -1x2 = 21x + -21x + x2 + -1x2 Combine like terms: 21x + -21x = 0 -21x + -1x2 = 0 + x2 + -1x2 -21x + -1x2 = x2 + -1x2 Combine like terms: x2 + -1x2 = 0 -21x + -1x2 = 0 Factor out the Greatest Common Factor (GCF), '-1x'. -1x(21 + x) = 0 Ignore the factor -1.Subproblem 1
Set the factor 'x' equal to zero and attempt to solve: Simplifying x = 0 Solving x = 0 Move all terms containing x to the left, all other terms to the right. Simplifying x = 0Subproblem 2
Set the factor '(21 + x)' equal to zero and attempt to solve: Simplifying 21 + x = 0 Solving 21 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-21' to each side of the equation. 21 + -21 + x = 0 + -21 Combine like terms: 21 + -21 = 0 0 + x = 0 + -21 x = 0 + -21 Combine like terms: 0 + -21 = -21 x = -21 Simplifying x = -21Solution
x = {0, -21}
| x*7-6=15 | | (1-2y)(1-2y)= | | k^6(-y^13)*5=x | | (7n^5)/(5n) | | -5(w+6)=-8w-24 | | 5c+12=7c+10.26 | | 2x/x-5/2=-1/2 | | -5(-2x-3x)=-160 | | У=(x^2-4)(x^2-16)/x^2-2x-8 | | -4x^2-10x+24=0 | | 8cos^4(x)+2cos^2(x)-3=0 | | 2=-1+p | | (4b-3)=8b | | 5(x+3)-2(2x-3)= | | 5c+12=7c+10 | | 8y-16=4(y+4) | | 3ln(x-3)+5=6 | | -x+9y=27 | | x^2-16=-14 | | Qd=120-20P+3G | | Y=12-6 | | 6x^2/3=24 | | 12+8x+6= | | 5/4*3/2 | | 5x-y-4=0 | | 5x(x+14)+70(x+14)=0 | | 98=c*6.76 | | ax-by=cx | | 3(9y+8)=16 | | Y=15-6 | | 43-2x=31-4x | | -15=5x+3x |