If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying x2 + -26x + 142 = 0 Reorder the terms: 142 + -26x + x2 = 0 Solving 142 + -26x + x2 = 0 Solving for variable 'x'. Begin completing the square. Move the constant term to the right: Add '-142' to each side of the equation. 142 + -26x + -142 + x2 = 0 + -142 Reorder the terms: 142 + -142 + -26x + x2 = 0 + -142 Combine like terms: 142 + -142 = 0 0 + -26x + x2 = 0 + -142 -26x + x2 = 0 + -142 Combine like terms: 0 + -142 = -142 -26x + x2 = -142 The x term is -26x. Take half its coefficient (-13). Square it (169) and add it to both sides. Add '169' to each side of the equation. -26x + 169 + x2 = -142 + 169 Reorder the terms: 169 + -26x + x2 = -142 + 169 Combine like terms: -142 + 169 = 27 169 + -26x + x2 = 27 Factor a perfect square on the left side: (x + -13)(x + -13) = 27 Calculate the square root of the right side: 5.196152423 Break this problem into two subproblems by setting (x + -13) equal to 5.196152423 and -5.196152423.Subproblem 1
x + -13 = 5.196152423 Simplifying x + -13 = 5.196152423 Reorder the terms: -13 + x = 5.196152423 Solving -13 + x = 5.196152423 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '13' to each side of the equation. -13 + 13 + x = 5.196152423 + 13 Combine like terms: -13 + 13 = 0 0 + x = 5.196152423 + 13 x = 5.196152423 + 13 Combine like terms: 5.196152423 + 13 = 18.196152423 x = 18.196152423 Simplifying x = 18.196152423Subproblem 2
x + -13 = -5.196152423 Simplifying x + -13 = -5.196152423 Reorder the terms: -13 + x = -5.196152423 Solving -13 + x = -5.196152423 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '13' to each side of the equation. -13 + 13 + x = -5.196152423 + 13 Combine like terms: -13 + 13 = 0 0 + x = -5.196152423 + 13 x = -5.196152423 + 13 Combine like terms: -5.196152423 + 13 = 7.803847577 x = 7.803847577 Simplifying x = 7.803847577Solution
The solution to the problem is based on the solutions from the subproblems. x = {18.196152423, 7.803847577}
| 18s+15=-9s | | 8n-3n+15=3n+3 | | 6x-21+4-10x+4x+1=x | | 2cosx+3=0 | | 6n+4=3n-11 | | 2pq+8=3x-pq | | A=(3x+7)(2x-1) | | 4.7(x-4)=-0.3x+6.2 | | 9x-2=17x-2 | | 3x-1+3x+1+2X+2=180 | | 5/8-2/4=? | | 30x+60=90 | | 7x^2+25x-23=17-2x | | 6x6/7ths | | 0=x^2-12-21 | | 6.7(x-1)=-0.3+42.3 | | 90x+102=180 | | (x^2/7)^3/4? | | (x^2/7)^4/4 | | 6(0.5y-1)=18 | | 60x+30=102 | | x=1.33 | | 8+10x=118 | | x+4+(x-1)=36 | | x+4+(x-1)=37 | | (((x-1/3)-1/3)-1/3)=8 | | x*a+y*(a-1)=z | | 8/15x=72 | | 2p+4p+0.25=100 | | a*x+b*(x-1)=c | | X^4-25=600 | | a*x+b*(x+1)=c |