If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 5n2 + -129n + -729 = 0 Reorder the terms: -729 + -129n + 5n2 = 0 Solving -729 + -129n + 5n2 = 0 Solving for variable 'n'. Begin completing the square. Divide all terms by 5 the coefficient of the squared term: Divide each side by '5'. -145.8 + -25.8n + n2 = 0 Move the constant term to the right: Add '145.8' to each side of the equation. -145.8 + -25.8n + 145.8 + n2 = 0 + 145.8 Reorder the terms: -145.8 + 145.8 + -25.8n + n2 = 0 + 145.8 Combine like terms: -145.8 + 145.8 = 0.0 0.0 + -25.8n + n2 = 0 + 145.8 -25.8n + n2 = 0 + 145.8 Combine like terms: 0 + 145.8 = 145.8 -25.8n + n2 = 145.8 The n term is -25.8n. Take half its coefficient (-12.9). Square it (166.41) and add it to both sides. Add '166.41' to each side of the equation. -25.8n + 166.41 + n2 = 145.8 + 166.41 Reorder the terms: 166.41 + -25.8n + n2 = 145.8 + 166.41 Combine like terms: 145.8 + 166.41 = 312.21 166.41 + -25.8n + n2 = 312.21 Factor a perfect square on the left side: (n + -12.9)(n + -12.9) = 312.21 Calculate the square root of the right side: 17.669465187 Break this problem into two subproblems by setting (n + -12.9) equal to 17.669465187 and -17.669465187.Subproblem 1
n + -12.9 = 17.669465187 Simplifying n + -12.9 = 17.669465187 Reorder the terms: -12.9 + n = 17.669465187 Solving -12.9 + n = 17.669465187 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '12.9' to each side of the equation. -12.9 + 12.9 + n = 17.669465187 + 12.9 Combine like terms: -12.9 + 12.9 = 0.0 0.0 + n = 17.669465187 + 12.9 n = 17.669465187 + 12.9 Combine like terms: 17.669465187 + 12.9 = 30.569465187 n = 30.569465187 Simplifying n = 30.569465187Subproblem 2
n + -12.9 = -17.669465187 Simplifying n + -12.9 = -17.669465187 Reorder the terms: -12.9 + n = -17.669465187 Solving -12.9 + n = -17.669465187 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '12.9' to each side of the equation. -12.9 + 12.9 + n = -17.669465187 + 12.9 Combine like terms: -12.9 + 12.9 = 0.0 0.0 + n = -17.669465187 + 12.9 n = -17.669465187 + 12.9 Combine like terms: -17.669465187 + 12.9 = -4.769465187 n = -4.769465187 Simplifying n = -4.769465187Solution
The solution to the problem is based on the solutions from the subproblems. n = {30.569465187, -4.769465187}
| x=140+146 | | (X+16)=120 | | -8(x+8)+69=14-9x | | nm^-1/2m^-1n^2 | | -4(-7v+5)-7v=7(v-3)-1 | | x=218-142 | | 2x^2-43x-243=0 | | 3(6z-1)-2(z+5)=8(z+1) | | 12a^5b^-2÷12/8a^-3b^7 | | 1/7(21x-49) | | 9x/x62=1 | | 3n-21=31 | | p(x)=90x-x^2-25x+15 | | 5d+8=26-3a | | 4(u+4)=-2(8u-3)+8u | | -x(2x+1)=-24 | | 7(p+6)+6(4-p)=3+7p+p-7 | | 3x+27=2x-12 | | 5x+24=42 | | 4x(x+9)=7x+63 | | -13m/-5 | | 80*5/4=45/x | | 3(y-2)=9y+1-3(-2y-3) | | 2(3+x)=-10 | | x^2-16x-41=-5 | | 6x-8+2(3x+5)=-2(x+5) | | 5=-2+d | | 5-2b=3b+2 | | 5m+2p=24 | | 3(x-9)=-6x | | S-1/3=1/4 | | -2x+10+5=7+3x+3 |