If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying -7x(x + -4) + 8x = 12 + 14 Reorder the terms: -7x(-4 + x) + 8x = 12 + 14 (-4 * -7x + x * -7x) + 8x = 12 + 14 (28x + -7x2) + 8x = 12 + 14 Reorder the terms: 28x + 8x + -7x2 = 12 + 14 Combine like terms: 28x + 8x = 36x 36x + -7x2 = 12 + 14 Combine like terms: 12 + 14 = 26 36x + -7x2 = 26 Solving 36x + -7x2 = 26 Solving for variable 'x'. Reorder the terms: -26 + 36x + -7x2 = 26 + -26 Combine like terms: 26 + -26 = 0 -26 + 36x + -7x2 = 0 Begin completing the square. Divide all terms by -7 the coefficient of the squared term: Divide each side by '-7'. 3.714285714 + -5.142857143x + x2 = 0 Move the constant term to the right: Add '-3.714285714' to each side of the equation. 3.714285714 + -5.142857143x + -3.714285714 + x2 = 0 + -3.714285714 Reorder the terms: 3.714285714 + -3.714285714 + -5.142857143x + x2 = 0 + -3.714285714 Combine like terms: 3.714285714 + -3.714285714 = 0.000000000 0.000000000 + -5.142857143x + x2 = 0 + -3.714285714 -5.142857143x + x2 = 0 + -3.714285714 Combine like terms: 0 + -3.714285714 = -3.714285714 -5.142857143x + x2 = -3.714285714 The x term is -5.142857143x. Take half its coefficient (-2.571428572). Square it (6.612244901) and add it to both sides. Add '6.612244901' to each side of the equation. -5.142857143x + 6.612244901 + x2 = -3.714285714 + 6.612244901 Reorder the terms: 6.612244901 + -5.142857143x + x2 = -3.714285714 + 6.612244901 Combine like terms: -3.714285714 + 6.612244901 = 2.897959187 6.612244901 + -5.142857143x + x2 = 2.897959187 Factor a perfect square on the left side: (x + -2.571428572)(x + -2.571428572) = 2.897959187 Calculate the square root of the right side: 1.702339328 Break this problem into two subproblems by setting (x + -2.571428572) equal to 1.702339328 and -1.702339328.Subproblem 1
x + -2.571428572 = 1.702339328 Simplifying x + -2.571428572 = 1.702339328 Reorder the terms: -2.571428572 + x = 1.702339328 Solving -2.571428572 + x = 1.702339328 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.571428572' to each side of the equation. -2.571428572 + 2.571428572 + x = 1.702339328 + 2.571428572 Combine like terms: -2.571428572 + 2.571428572 = 0.000000000 0.000000000 + x = 1.702339328 + 2.571428572 x = 1.702339328 + 2.571428572 Combine like terms: 1.702339328 + 2.571428572 = 4.2737679 x = 4.2737679 Simplifying x = 4.2737679Subproblem 2
x + -2.571428572 = -1.702339328 Simplifying x + -2.571428572 = -1.702339328 Reorder the terms: -2.571428572 + x = -1.702339328 Solving -2.571428572 + x = -1.702339328 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.571428572' to each side of the equation. -2.571428572 + 2.571428572 + x = -1.702339328 + 2.571428572 Combine like terms: -2.571428572 + 2.571428572 = 0.000000000 0.000000000 + x = -1.702339328 + 2.571428572 x = -1.702339328 + 2.571428572 Combine like terms: -1.702339328 + 2.571428572 = 0.869089244 x = 0.869089244 Simplifying x = 0.869089244Solution
The solution to the problem is based on the solutions from the subproblems. x = {4.2737679, 0.869089244}
| -8-1z=1z-4 | | 2x-3(x+4)=-7 | | 5+(8/x)=1 | | 0.6a+36.1285=2.5(-6.947a+1.8)-7.9 | | -2v-23=-5v-5 | | 2(x+4)-4=5x-3(-1+x) | | -2x+3y-5x-8+9y= | | -31x=55 | | =-3(x-5) | | 3x-112=-6x+77 | | =3(x-5) | | 3n-1=10.5 | | 4x+5y=36 | | 2*4x*3y-4x*7y= | | 8x+10y=-10 | | 3/11=z/7 | | x+1/2=4x-3 | | A+116-28=262 | | 11=5x-4x+4 | | 85/6x-2(31/3x+43/4)=201/3 | | 3(2+x)=11-5x | | 32-6x+7x=-15+25 | | 9B+27=72 | | 17+3(X-2)-11x=-7(x+2)+14 | | 4(2x+4)-4=2(x+4)+x | | -12x+6=7x-2 | | 5(3x+5)=6x+5 | | 5x^2-18x=-13 | | -4+1/3=8/3 | | 2x+36-3x=2-6x+4 | | 34Y-60=212 | | x+3+2x-6+2x-6+x+3=26 |