If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 21r2 + 240r + 30021 = 0 Reorder the terms: 30021 + 240r + 21r2 = 0 Solving 30021 + 240r + 21r2 = 0 Solving for variable 'r'. Factor out the Greatest Common Factor (GCF), '3'. 3(10007 + 80r + 7r2) = 0 Ignore the factor 3.Subproblem 1
Set the factor '(10007 + 80r + 7r2)' equal to zero and attempt to solve: Simplifying 10007 + 80r + 7r2 = 0 Solving 10007 + 80r + 7r2 = 0 Begin completing the square. Divide all terms by 7 the coefficient of the squared term: Divide each side by '7'. 1429.571429 + 11.42857143r + r2 = 0 Move the constant term to the right: Add '-1429.571429' to each side of the equation. 1429.571429 + 11.42857143r + -1429.571429 + r2 = 0 + -1429.571429 Reorder the terms: 1429.571429 + -1429.571429 + 11.42857143r + r2 = 0 + -1429.571429 Combine like terms: 1429.571429 + -1429.571429 = 0.000000 0.000000 + 11.42857143r + r2 = 0 + -1429.571429 11.42857143r + r2 = 0 + -1429.571429 Combine like terms: 0 + -1429.571429 = -1429.571429 11.42857143r + r2 = -1429.571429 The r term is 11.42857143r. Take half its coefficient (5.714285715). Square it (32.65306123) and add it to both sides. Add '32.65306123' to each side of the equation. 11.42857143r + 32.65306123 + r2 = -1429.571429 + 32.65306123 Reorder the terms: 32.65306123 + 11.42857143r + r2 = -1429.571429 + 32.65306123 Combine like terms: -1429.571429 + 32.65306123 = -1396.91836777 32.65306123 + 11.42857143r + r2 = -1396.91836777 Factor a perfect square on the left side: (r + 5.714285715)(r + 5.714285715) = -1396.91836777 Can't calculate square root of the right side. The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined. The solution to this equation could not be determined.
| 6.44-1.78= | | -5x+3y=-3 | | 3x-14=5(9-4x) | | 6(.56x)=6(-0.5x) | | 7x+3x-4=24 | | -4(2r+8)= | | 6(.56x)=6(-0.5) | | 2x-x+4-2=12 | | 60a^3-294a^2+216a=0 | | x^4-x^3-4x+4=0 | | x^4-x^3-4x=4 | | 5x+(10ln(abs(9x-5)))-(10ln(abs(4x-5)))= | | -11r-2=-24o | | 48x^2-300x+102=0 | | 5-(y-2)=3 | | x+60+2x=90 | | 45x^2-425x+180=0 | | x+15+x=105 | | 2x-(x+4)=6 | | 45x^2-435x+180=0 | | 6x-2=3x-41 | | 4(5z+1)-8=116 | | Tan(15)=2x | | 20(-0.4r)=20(-0.45r) | | 25-4x=23 | | 18=5x-8 | | =x^2+4x-6 | | X=-16t^2+320t+32 | | 4x+23-3x=9+5x-6 | | x^2+9x-65=5 | | 0.4(2s+0.5)=3[0.2s+(-2)]-4 | | y-1064=3882 |