If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 3r2 + -7r + -3 = 0 Reorder the terms: -3 + -7r + 3r2 = 0 Solving -3 + -7r + 3r2 = 0 Solving for variable 'r'. Begin completing the square. Divide all terms by 3 the coefficient of the squared term: Divide each side by '3'. -1 + -2.333333333r + r2 = 0 Move the constant term to the right: Add '1' to each side of the equation. -1 + -2.333333333r + 1 + r2 = 0 + 1 Reorder the terms: -1 + 1 + -2.333333333r + r2 = 0 + 1 Combine like terms: -1 + 1 = 0 0 + -2.333333333r + r2 = 0 + 1 -2.333333333r + r2 = 0 + 1 Combine like terms: 0 + 1 = 1 -2.333333333r + r2 = 1 The r term is -2.333333333r. Take half its coefficient (-1.166666667). Square it (1.361111112) and add it to both sides. Add '1.361111112' to each side of the equation. -2.333333333r + 1.361111112 + r2 = 1 + 1.361111112 Reorder the terms: 1.361111112 + -2.333333333r + r2 = 1 + 1.361111112 Combine like terms: 1 + 1.361111112 = 2.361111112 1.361111112 + -2.333333333r + r2 = 2.361111112 Factor a perfect square on the left side: (r + -1.166666667)(r + -1.166666667) = 2.361111112 Calculate the square root of the right side: 1.536590743 Break this problem into two subproblems by setting (r + -1.166666667) equal to 1.536590743 and -1.536590743.Subproblem 1
r + -1.166666667 = 1.536590743 Simplifying r + -1.166666667 = 1.536590743 Reorder the terms: -1.166666667 + r = 1.536590743 Solving -1.166666667 + r = 1.536590743 Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '1.166666667' to each side of the equation. -1.166666667 + 1.166666667 + r = 1.536590743 + 1.166666667 Combine like terms: -1.166666667 + 1.166666667 = 0.000000000 0.000000000 + r = 1.536590743 + 1.166666667 r = 1.536590743 + 1.166666667 Combine like terms: 1.536590743 + 1.166666667 = 2.70325741 r = 2.70325741 Simplifying r = 2.70325741Subproblem 2
r + -1.166666667 = -1.536590743 Simplifying r + -1.166666667 = -1.536590743 Reorder the terms: -1.166666667 + r = -1.536590743 Solving -1.166666667 + r = -1.536590743 Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '1.166666667' to each side of the equation. -1.166666667 + 1.166666667 + r = -1.536590743 + 1.166666667 Combine like terms: -1.166666667 + 1.166666667 = 0.000000000 0.000000000 + r = -1.536590743 + 1.166666667 r = -1.536590743 + 1.166666667 Combine like terms: -1.536590743 + 1.166666667 = -0.369924076 r = -0.369924076 Simplifying r = -0.369924076Solution
The solution to the problem is based on the solutions from the subproblems. r = {2.70325741, -0.369924076}
| 8x-5=4x+-2x | | 36a-2b^2= | | -6(6-x)+4=12-8(x+2) | | 3x^3+x^2+21x-7=0 | | 21x+21+8.25x=105 | | -3(x+1)+1/5(5x+10)=8 | | 5y-10=-24+18y+y | | x-2/3-2(3x-4)/4=8 | | -3(1x-4)=-2x | | -6+18+6= | | 2x-9x+3=6-5x | | 36-2(2w-1)=13w-2(13+w) | | 33=11+1/3(6-12x) | | 2(x-3)-4(x-5)=8-5x | | -36=3(n+6) | | 2K+7=-7 | | -7(2x-3)+2(6x+4)=3x+2 | | 3m^2-5m=6 | | 3y^2+18xy+27x^2= | | 1-8=17-6m | | 20t^2-16t-48=0 | | 3x+2(x-4)=17 | | 3-4(x+4)=7x-2 | | 2x+9=7x+1 | | 2(4x+1)-2x=9x-1 | | 4[8-(-5x-8)]=40x+96 | | 35(21+17+3x)= | | -7(2x-3)+(6x+4)=3x+2 | | 36a^2-b^2= | | 3x-8=12-x | | 64=28+2w | | 22=2L+2(6) |