If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying -4.1x2 + 7.1x + 145 = 0 Reorder the terms: 145 + 7.1x + -4.1x2 = 0 Solving 145 + 7.1x + -4.1x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by -4.1 the coefficient of the squared term: Divide each side by '-4.1'. -35.36585366 + -1.731707317x + x2 = 0 Move the constant term to the right: Add '35.36585366' to each side of the equation. -35.36585366 + -1.731707317x + 35.36585366 + x2 = 0 + 35.36585366 Reorder the terms: -35.36585366 + 35.36585366 + -1.731707317x + x2 = 0 + 35.36585366 Combine like terms: -35.36585366 + 35.36585366 = 0.00000000 0.00000000 + -1.731707317x + x2 = 0 + 35.36585366 -1.731707317x + x2 = 0 + 35.36585366 Combine like terms: 0 + 35.36585366 = 35.36585366 -1.731707317x + x2 = 35.36585366 The x term is -1.731707317x. Take half its coefficient (-0.8658536585). Square it (0.7497025579) and add it to both sides. Add '0.7497025579' to each side of the equation. -1.731707317x + 0.7497025579 + x2 = 35.36585366 + 0.7497025579 Reorder the terms: 0.7497025579 + -1.731707317x + x2 = 35.36585366 + 0.7497025579 Combine like terms: 35.36585366 + 0.7497025579 = 36.1155562179 0.7497025579 + -1.731707317x + x2 = 36.1155562179 Factor a perfect square on the left side: (x + -0.8658536585)(x + -0.8658536585) = 36.1155562179 Calculate the square root of the right side: 6.00962197 Break this problem into two subproblems by setting (x + -0.8658536585) equal to 6.00962197 and -6.00962197.Subproblem 1
x + -0.8658536585 = 6.00962197 Simplifying x + -0.8658536585 = 6.00962197 Reorder the terms: -0.8658536585 + x = 6.00962197 Solving -0.8658536585 + x = 6.00962197 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.8658536585' to each side of the equation. -0.8658536585 + 0.8658536585 + x = 6.00962197 + 0.8658536585 Combine like terms: -0.8658536585 + 0.8658536585 = 0.0000000000 0.0000000000 + x = 6.00962197 + 0.8658536585 x = 6.00962197 + 0.8658536585 Combine like terms: 6.00962197 + 0.8658536585 = 6.8754756285 x = 6.8754756285 Simplifying x = 6.8754756285Subproblem 2
x + -0.8658536585 = -6.00962197 Simplifying x + -0.8658536585 = -6.00962197 Reorder the terms: -0.8658536585 + x = -6.00962197 Solving -0.8658536585 + x = -6.00962197 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.8658536585' to each side of the equation. -0.8658536585 + 0.8658536585 + x = -6.00962197 + 0.8658536585 Combine like terms: -0.8658536585 + 0.8658536585 = 0.0000000000 0.0000000000 + x = -6.00962197 + 0.8658536585 x = -6.00962197 + 0.8658536585 Combine like terms: -6.00962197 + 0.8658536585 = -5.1437683115 x = -5.1437683115 Simplifying x = -5.1437683115Solution
The solution to the problem is based on the solutions from the subproblems. x = {6.8754756285, -5.1437683115}
| .40x+.50(10)=.20(111) | | v^2+36=0 | | 4(x+1)-10=5(5x-1) | | 3(12-g)=9+8 | | -5=-50+5(4x-10) | | 2x=18kx | | (n-10)*3=30 | | -6=x-2(-x+6) | | n+4n=20 | | 2x(x+6)= | | (n+1)*3=18 | | 3x+8+4y=20 | | 49y^2-121=0 | | 2*x^2-31*x=0 | | -x-10=-2 | | n+28=43 | | 3y-2y=6 | | 1/3*3.14*25=300 | | 1/3*3.14*25= | | 2(-3x+5)-5x=10 | | 9x-8=9(x+4) | | 10=2.5g | | 5(3x+40)+x=40 | | 25c-0.05(25c)=T | | 9(3n-3)=(2n+7)+9 | | 6-7(5-6x)=0 | | 9(2n-3)=(5n+8)+5 | | 7-4(2x+9)=6 | | 3(4b)-4b=20 | | x^2-21*x+20=0 | | 7x+4y=25 | | -3(x-2)=6x-3+x |