If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 81x2 + 90x + 25 = 2 Reorder the terms: 25 + 90x + 81x2 = 2 Solving 25 + 90x + 81x2 = 2 Solving for variable 'x'. Reorder the terms: 25 + -2 + 90x + 81x2 = 2 + -2 Combine like terms: 25 + -2 = 23 23 + 90x + 81x2 = 2 + -2 Combine like terms: 2 + -2 = 0 23 + 90x + 81x2 = 0 Begin completing the square. Divide all terms by 81 the coefficient of the squared term: Divide each side by '81'. 0.2839506173 + 1.111111111x + x2 = 0 Move the constant term to the right: Add '-0.2839506173' to each side of the equation. 0.2839506173 + 1.111111111x + -0.2839506173 + x2 = 0 + -0.2839506173 Reorder the terms: 0.2839506173 + -0.2839506173 + 1.111111111x + x2 = 0 + -0.2839506173 Combine like terms: 0.2839506173 + -0.2839506173 = 0.0000000000 0.0000000000 + 1.111111111x + x2 = 0 + -0.2839506173 1.111111111x + x2 = 0 + -0.2839506173 Combine like terms: 0 + -0.2839506173 = -0.2839506173 1.111111111x + x2 = -0.2839506173 The x term is 1.111111111x. Take half its coefficient (0.5555555555). Square it (0.3086419752) and add it to both sides. Add '0.3086419752' to each side of the equation. 1.111111111x + 0.3086419752 + x2 = -0.2839506173 + 0.3086419752 Reorder the terms: 0.3086419752 + 1.111111111x + x2 = -0.2839506173 + 0.3086419752 Combine like terms: -0.2839506173 + 0.3086419752 = 0.0246913579 0.3086419752 + 1.111111111x + x2 = 0.0246913579 Factor a perfect square on the left side: (x + 0.5555555555)(x + 0.5555555555) = 0.0246913579 Calculate the square root of the right side: 0.15713484 Break this problem into two subproblems by setting (x + 0.5555555555) equal to 0.15713484 and -0.15713484.Subproblem 1
x + 0.5555555555 = 0.15713484 Simplifying x + 0.5555555555 = 0.15713484 Reorder the terms: 0.5555555555 + x = 0.15713484 Solving 0.5555555555 + x = 0.15713484 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.5555555555' to each side of the equation. 0.5555555555 + -0.5555555555 + x = 0.15713484 + -0.5555555555 Combine like terms: 0.5555555555 + -0.5555555555 = 0.0000000000 0.0000000000 + x = 0.15713484 + -0.5555555555 x = 0.15713484 + -0.5555555555 Combine like terms: 0.15713484 + -0.5555555555 = -0.3984207155 x = -0.3984207155 Simplifying x = -0.3984207155Subproblem 2
x + 0.5555555555 = -0.15713484 Simplifying x + 0.5555555555 = -0.15713484 Reorder the terms: 0.5555555555 + x = -0.15713484 Solving 0.5555555555 + x = -0.15713484 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.5555555555' to each side of the equation. 0.5555555555 + -0.5555555555 + x = -0.15713484 + -0.5555555555 Combine like terms: 0.5555555555 + -0.5555555555 = 0.0000000000 0.0000000000 + x = -0.15713484 + -0.5555555555 x = -0.15713484 + -0.5555555555 Combine like terms: -0.15713484 + -0.5555555555 = -0.7126903955 x = -0.7126903955 Simplifying x = -0.7126903955Solution
The solution to the problem is based on the solutions from the subproblems. x = {-0.3984207155, -0.7126903955}
| 0=6-2q | | 4(6+8x)=-7x+24 | | 2y+2(y-8)=8y-6(y-10) | | .4(5x+10)=1.2-(x+2) | | 36=(4x+1)+12x | | -9n-7n=-9(n-4)-9(n+4) | | 36=(4x+1)+12 | | 7x-3=13x | | f(x)=x^2+14x-47 | | 12m+16=12m+8 | | 25x-5-13x+4=26x-8-14x+12 | | -3(1-2p)=12p-3(p+12) | | -7x^2+1.67x=0 | | 20x+30(8200-x)=213000 | | 1.67x-7x^2=0 | | 1.67t-7t^2=0 | | 5w+16=111 | | 5x+22(x-3)=312 | | 11x=8x-8-6x | | (8h^3)-6h+2=0 | | 6(x+1)+42=-2x | | -5(4x+3)+3(1+2x)=12 | | -9x-10=8 | | 31n=-7n+3+-21n | | 8h^3-6h-2=0 | | 3a+2a=12 | | 8h^3-6h+2=0 | | 31n=-7+3-21n | | 9x=10x+19 | | 0.10(3)+x=0.40(3+x) | | 38-7=-7+3(1-7n) | | 3(s-8)=5(s-4)+6 |