If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 7x2 + -18x = 8 Reorder the terms: -18x + 7x2 = 8 Solving -18x + 7x2 = 8 Solving for variable 'x'. Reorder the terms: -8 + -18x + 7x2 = 8 + -8 Combine like terms: 8 + -8 = 0 -8 + -18x + 7x2 = 0 Begin completing the square. Divide all terms by 7 the coefficient of the squared term: Divide each side by '7'. -1.142857143 + -2.571428571x + x2 = 0 Move the constant term to the right: Add '1.142857143' to each side of the equation. -1.142857143 + -2.571428571x + 1.142857143 + x2 = 0 + 1.142857143 Reorder the terms: -1.142857143 + 1.142857143 + -2.571428571x + x2 = 0 + 1.142857143 Combine like terms: -1.142857143 + 1.142857143 = 0.000000000 0.000000000 + -2.571428571x + x2 = 0 + 1.142857143 -2.571428571x + x2 = 0 + 1.142857143 Combine like terms: 0 + 1.142857143 = 1.142857143 -2.571428571x + x2 = 1.142857143 The x term is -2.571428571x. Take half its coefficient (-1.285714286). Square it (1.653061225) and add it to both sides. Add '1.653061225' to each side of the equation. -2.571428571x + 1.653061225 + x2 = 1.142857143 + 1.653061225 Reorder the terms: 1.653061225 + -2.571428571x + x2 = 1.142857143 + 1.653061225 Combine like terms: 1.142857143 + 1.653061225 = 2.795918368 1.653061225 + -2.571428571x + x2 = 2.795918368 Factor a perfect square on the left side: (x + -1.285714286)(x + -1.285714286) = 2.795918368 Calculate the square root of the right side: 1.672099987 Break this problem into two subproblems by setting (x + -1.285714286) equal to 1.672099987 and -1.672099987.Subproblem 1
x + -1.285714286 = 1.672099987 Simplifying x + -1.285714286 = 1.672099987 Reorder the terms: -1.285714286 + x = 1.672099987 Solving -1.285714286 + x = 1.672099987 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.285714286' to each side of the equation. -1.285714286 + 1.285714286 + x = 1.672099987 + 1.285714286 Combine like terms: -1.285714286 + 1.285714286 = 0.000000000 0.000000000 + x = 1.672099987 + 1.285714286 x = 1.672099987 + 1.285714286 Combine like terms: 1.672099987 + 1.285714286 = 2.957814273 x = 2.957814273 Simplifying x = 2.957814273Subproblem 2
x + -1.285714286 = -1.672099987 Simplifying x + -1.285714286 = -1.672099987 Reorder the terms: -1.285714286 + x = -1.672099987 Solving -1.285714286 + x = -1.672099987 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.285714286' to each side of the equation. -1.285714286 + 1.285714286 + x = -1.672099987 + 1.285714286 Combine like terms: -1.285714286 + 1.285714286 = 0.000000000 0.000000000 + x = -1.672099987 + 1.285714286 x = -1.672099987 + 1.285714286 Combine like terms: -1.672099987 + 1.285714286 = -0.386385701 x = -0.386385701 Simplifying x = -0.386385701Solution
The solution to the problem is based on the solutions from the subproblems. x = {2.957814273, -0.386385701}
| x^2+5a=0factor | | x^2+5a=0 | | a(3x-8)=b-8x | | -12a-(23-17a)= | | 2x+3=9x-2 | | 2x+15=5x-6 | | 29.0+0.8m=46.12 | | 40x+25y=1475 | | 71/2+-31/3= | | A^3-11a^2-9a+11=0 | | 12x+3=9x-2 | | 2b=-3+91.50 | | 4y^2+4y-16x=0 | | S=4nr^2 | | 245asdu=67yg | | X^2-12x-38=7 | | graphy=6x | | x^2-12v+27=0 | | 2+3b=91.50 | | m=Q+Qrt | | 3(y-6)=2x | | .8=2 | | (y-3)(y-6)= | | w^4-9w^2= | | 2x+28=x+4 | | 5+5x=4x | | 3.4+a=9 | | y=cos^3x | | 3(2a+5)+5(a+2)= | | 6.12+d=8 | | y=2(-10) | | c=3d-2 |