If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying (5x2 + 3x + 1) + (2x2 + 7x) = 0 Reorder the terms: (1 + 3x + 5x2) + (2x2 + 7x) = 0 Remove parenthesis around (1 + 3x + 5x2) 1 + 3x + 5x2 + (2x2 + 7x) = 0 Reorder the terms: 1 + 3x + 5x2 + (7x + 2x2) = 0 Remove parenthesis around (7x + 2x2) 1 + 3x + 5x2 + 7x + 2x2 = 0 Reorder the terms: 1 + 3x + 7x + 5x2 + 2x2 = 0 Combine like terms: 3x + 7x = 10x 1 + 10x + 5x2 + 2x2 = 0 Combine like terms: 5x2 + 2x2 = 7x2 1 + 10x + 7x2 = 0 Solving 1 + 10x + 7x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 7 the coefficient of the squared term: Divide each side by '7'. 0.1428571429 + 1.428571429x + x2 = 0 Move the constant term to the right: Add '-0.1428571429' to each side of the equation. 0.1428571429 + 1.428571429x + -0.1428571429 + x2 = 0 + -0.1428571429 Reorder the terms: 0.1428571429 + -0.1428571429 + 1.428571429x + x2 = 0 + -0.1428571429 Combine like terms: 0.1428571429 + -0.1428571429 = 0.0000000000 0.0000000000 + 1.428571429x + x2 = 0 + -0.1428571429 1.428571429x + x2 = 0 + -0.1428571429 Combine like terms: 0 + -0.1428571429 = -0.1428571429 1.428571429x + x2 = -0.1428571429 The x term is 1.428571429x. Take half its coefficient (0.7142857145). Square it (0.5102040819) and add it to both sides. Add '0.5102040819' to each side of the equation. 1.428571429x + 0.5102040819 + x2 = -0.1428571429 + 0.5102040819 Reorder the terms: 0.5102040819 + 1.428571429x + x2 = -0.1428571429 + 0.5102040819 Combine like terms: -0.1428571429 + 0.5102040819 = 0.367346939 0.5102040819 + 1.428571429x + x2 = 0.367346939 Factor a perfect square on the left side: (x + 0.7142857145)(x + 0.7142857145) = 0.367346939 Calculate the square root of the right side: 0.606091527 Break this problem into two subproblems by setting (x + 0.7142857145) equal to 0.606091527 and -0.606091527.Subproblem 1
x + 0.7142857145 = 0.606091527 Simplifying x + 0.7142857145 = 0.606091527 Reorder the terms: 0.7142857145 + x = 0.606091527 Solving 0.7142857145 + x = 0.606091527 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.7142857145' to each side of the equation. 0.7142857145 + -0.7142857145 + x = 0.606091527 + -0.7142857145 Combine like terms: 0.7142857145 + -0.7142857145 = 0.0000000000 0.0000000000 + x = 0.606091527 + -0.7142857145 x = 0.606091527 + -0.7142857145 Combine like terms: 0.606091527 + -0.7142857145 = -0.1081941875 x = -0.1081941875 Simplifying x = -0.1081941875Subproblem 2
x + 0.7142857145 = -0.606091527 Simplifying x + 0.7142857145 = -0.606091527 Reorder the terms: 0.7142857145 + x = -0.606091527 Solving 0.7142857145 + x = -0.606091527 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.7142857145' to each side of the equation. 0.7142857145 + -0.7142857145 + x = -0.606091527 + -0.7142857145 Combine like terms: 0.7142857145 + -0.7142857145 = 0.0000000000 0.0000000000 + x = -0.606091527 + -0.7142857145 x = -0.606091527 + -0.7142857145 Combine like terms: -0.606091527 + -0.7142857145 = -1.3203772415 x = -1.3203772415 Simplifying x = -1.3203772415Solution
The solution to the problem is based on the solutions from the subproblems. x = {-0.1081941875, -1.3203772415}
| 5s-4s=16 | | 2y^2-10+8=8 | | 9d-6d=18 | | 1/4(y-1)+2y=1/8(3y+2) | | -8(2t+3)=-88 | | 9d^2-49= | | -10(s+5)=-81 | | (S-7)(s+7)= | | 2t-3+8=56 | | 7-c=29 | | -(6w-v)+4(6v+w)= | | 6.6x+x=7 | | x^2-4x+19=8x-1 | | 0.5x-1.2=2.4x+2.8 | | (4a^2b)-(4a^2b+7a^3b^3)= | | 56=12b(14) | | 2(3s+1)=74 | | x-65=8.80(x-100.00) | | 37=3u-17 | | 5(a-2)=105 | | (2xy^3+3x^2y^4)-(6xy^3-4x^2y^4)= | | 8y*3=24 | | (d-5)*3=15 | | 2a-6=24-2a | | x+80=x+150 | | ln(x)^2=1/lx | | -4x+5(x-22)=37 | | 6m-6n+12= | | 8k=3k-105 | | k-10/2=-1 | | -30(-9/10)-30 | | (4x^3-4x)-(8x^3+2x+8)= |