If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 15r2 + -44r + 120 = -30 + 11r Reorder the terms: 120 + -44r + 15r2 = -30 + 11r Solving 120 + -44r + 15r2 = -30 + 11r Solving for variable 'r'. Reorder the terms: 120 + 30 + -44r + -11r + 15r2 = -30 + 11r + 30 + -11r Combine like terms: 120 + 30 = 150 150 + -44r + -11r + 15r2 = -30 + 11r + 30 + -11r Combine like terms: -44r + -11r = -55r 150 + -55r + 15r2 = -30 + 11r + 30 + -11r Reorder the terms: 150 + -55r + 15r2 = -30 + 30 + 11r + -11r Combine like terms: -30 + 30 = 0 150 + -55r + 15r2 = 0 + 11r + -11r 150 + -55r + 15r2 = 11r + -11r Combine like terms: 11r + -11r = 0 150 + -55r + 15r2 = 0 Factor out the Greatest Common Factor (GCF), '5'. 5(30 + -11r + 3r2) = 0 Ignore the factor 5.Subproblem 1
Set the factor '(30 + -11r + 3r2)' equal to zero and attempt to solve: Simplifying 30 + -11r + 3r2 = 0 Solving 30 + -11r + 3r2 = 0 Begin completing the square. Divide all terms by 3 the coefficient of the squared term: Divide each side by '3'. 10 + -3.666666667r + r2 = 0 Move the constant term to the right: Add '-10' to each side of the equation. 10 + -3.666666667r + -10 + r2 = 0 + -10 Reorder the terms: 10 + -10 + -3.666666667r + r2 = 0 + -10 Combine like terms: 10 + -10 = 0 0 + -3.666666667r + r2 = 0 + -10 -3.666666667r + r2 = 0 + -10 Combine like terms: 0 + -10 = -10 -3.666666667r + r2 = -10 The r term is -3.666666667r. Take half its coefficient (-1.833333334). Square it (3.361111114) and add it to both sides. Add '3.361111114' to each side of the equation. -3.666666667r + 3.361111114 + r2 = -10 + 3.361111114 Reorder the terms: 3.361111114 + -3.666666667r + r2 = -10 + 3.361111114 Combine like terms: -10 + 3.361111114 = -6.638888886 3.361111114 + -3.666666667r + r2 = -6.638888886 Factor a perfect square on the left side: (r + -1.833333334)(r + -1.833333334) = -6.638888886 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.
| z^6-11=0 | | 19+7=56 | | xdy+(x^2-3y)dx=0 | | -69x=85x-22 | | 3x-6+2x-6=10x-8 | | -3x^2+8x+14=0 | | -14=2+4w | | 2(x-7)-6=-2(-7x+1)-4x | | 1.6x+x=130 | | 2x+14(x+1)=0 | | -110=-8z+2 | | -7(n+2)+16=-4n-4 | | 2x+14-(x-1)=0 | | 2*(x+i*y)=6-i*3 | | -4+y=41 | | 33-19=2(x-8) | | 6x-36+2=8x-8 | | 4x+15=16x-11 | | -2x^2-9x+14=0 | | 2x^2-x-6=y | | 6x+4=-2x-7 | | 6(5-X)=-2(X+43) | | 50m+42975=45450-175m | | b+25=-69 | | 2=5y+2 | | y-3=3/4(x-16) | | y/10=3/6 | | 6/9=y/12 | | log(8x-15)=2 | | 11x(12-x)-30=20x+59-6x(4x-13) | | 1/6+2/3+1/18=n | | 1/6+2/3+1/18= |