If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 4x2 + 7x + -20 = 0 Reorder the terms: -20 + 7x + 4x2 = 0 Solving -20 + 7x + 4x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 4 the coefficient of the squared term: Divide each side by '4'. -5 + 1.75x + x2 = 0 Move the constant term to the right: Add '5' to each side of the equation. -5 + 1.75x + 5 + x2 = 0 + 5 Reorder the terms: -5 + 5 + 1.75x + x2 = 0 + 5 Combine like terms: -5 + 5 = 0 0 + 1.75x + x2 = 0 + 5 1.75x + x2 = 0 + 5 Combine like terms: 0 + 5 = 5 1.75x + x2 = 5 The x term is 1.75x. Take half its coefficient (0.875). Square it (0.765625) and add it to both sides. Add '0.765625' to each side of the equation. 1.75x + 0.765625 + x2 = 5 + 0.765625 Reorder the terms: 0.765625 + 1.75x + x2 = 5 + 0.765625 Combine like terms: 5 + 0.765625 = 5.765625 0.765625 + 1.75x + x2 = 5.765625 Factor a perfect square on the left side: (x + 0.875)(x + 0.875) = 5.765625 Calculate the square root of the right side: 2.401171589 Break this problem into two subproblems by setting (x + 0.875) equal to 2.401171589 and -2.401171589.Subproblem 1
x + 0.875 = 2.401171589 Simplifying x + 0.875 = 2.401171589 Reorder the terms: 0.875 + x = 2.401171589 Solving 0.875 + x = 2.401171589 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.875' to each side of the equation. 0.875 + -0.875 + x = 2.401171589 + -0.875 Combine like terms: 0.875 + -0.875 = 0.000 0.000 + x = 2.401171589 + -0.875 x = 2.401171589 + -0.875 Combine like terms: 2.401171589 + -0.875 = 1.526171589 x = 1.526171589 Simplifying x = 1.526171589Subproblem 2
x + 0.875 = -2.401171589 Simplifying x + 0.875 = -2.401171589 Reorder the terms: 0.875 + x = -2.401171589 Solving 0.875 + x = -2.401171589 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.875' to each side of the equation. 0.875 + -0.875 + x = -2.401171589 + -0.875 Combine like terms: 0.875 + -0.875 = 0.000 0.000 + x = -2.401171589 + -0.875 x = -2.401171589 + -0.875 Combine like terms: -2.401171589 + -0.875 = -3.276171589 x = -3.276171589 Simplifying x = -3.276171589Solution
The solution to the problem is based on the solutions from the subproblems. x = {1.526171589, -3.276171589}
| x(x+10)-13(x+10)=0 | | 7logx=14 | | 2x^2-3x-32=-48 | | 9x-8x^3=0 | | 10y^2+4y^3=0 | | 8y^2-16y+40=0 | | 7c+3c+3=6+4c | | 35/4(x^(3/2))-70=0 | | x+5x+6x=8 | | 35/4(x^(3/2))-70 | | 5x+15x^2=0 | | 11m^3-12m^2=0 | | 0.074/5 | | 16b+20b^3=0 | | 4x-1=2x+14 | | 6x-y=90/30 | | (-5k^2/2k^5)/((2k)^3/10k^5) | | 4a-15a^3=0 | | 3(x+5)-7-x=36 | | 5/8•2/3 | | 16x^2+8x-7=0 | | 5(x+4)-3(x-2)= | | 460=200x | | 2cos^3(x)-cosx=(cos^2(x)-sin^2(x))/secx | | 2(6)+y=7 | | f(x)=3x^3+5x^2+3x+5 | | -x^2+56x+343=0 | | 6m+2+7t+14= | | 14x^2+20x=0 | | -7x^4-26x^2-x+9=0 | | -x+2y+2z=7 | | 5(2a+6)-4= |