If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 7x2 + 4x + -7 = 0 Reorder the terms: -7 + 4x + 7x2 = 0 Solving -7 + 4x + 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'. -1 + 0.5714285714x + x2 = 0 Move the constant term to the right: Add '1' to each side of the equation. -1 + 0.5714285714x + 1 + x2 = 0 + 1 Reorder the terms: -1 + 1 + 0.5714285714x + x2 = 0 + 1 Combine like terms: -1 + 1 = 0 0 + 0.5714285714x + x2 = 0 + 1 0.5714285714x + x2 = 0 + 1 Combine like terms: 0 + 1 = 1 0.5714285714x + x2 = 1 The x term is 0.5714285714x. Take half its coefficient (0.2857142857). Square it (0.08163265305) and add it to both sides. Add '0.08163265305' to each side of the equation. 0.5714285714x + 0.08163265305 + x2 = 1 + 0.08163265305 Reorder the terms: 0.08163265305 + 0.5714285714x + x2 = 1 + 0.08163265305 Combine like terms: 1 + 0.08163265305 = 1.08163265305 0.08163265305 + 0.5714285714x + x2 = 1.08163265305 Factor a perfect square on the left side: (x + 0.2857142857)(x + 0.2857142857) = 1.08163265305 Calculate the square root of the right side: 1.040015698 Break this problem into two subproblems by setting (x + 0.2857142857) equal to 1.040015698 and -1.040015698.Subproblem 1
x + 0.2857142857 = 1.040015698 Simplifying x + 0.2857142857 = 1.040015698 Reorder the terms: 0.2857142857 + x = 1.040015698 Solving 0.2857142857 + x = 1.040015698 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.2857142857' to each side of the equation. 0.2857142857 + -0.2857142857 + x = 1.040015698 + -0.2857142857 Combine like terms: 0.2857142857 + -0.2857142857 = 0.0000000000 0.0000000000 + x = 1.040015698 + -0.2857142857 x = 1.040015698 + -0.2857142857 Combine like terms: 1.040015698 + -0.2857142857 = 0.7543014123 x = 0.7543014123 Simplifying x = 0.7543014123Subproblem 2
x + 0.2857142857 = -1.040015698 Simplifying x + 0.2857142857 = -1.040015698 Reorder the terms: 0.2857142857 + x = -1.040015698 Solving 0.2857142857 + x = -1.040015698 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.2857142857' to each side of the equation. 0.2857142857 + -0.2857142857 + x = -1.040015698 + -0.2857142857 Combine like terms: 0.2857142857 + -0.2857142857 = 0.0000000000 0.0000000000 + x = -1.040015698 + -0.2857142857 x = -1.040015698 + -0.2857142857 Combine like terms: -1.040015698 + -0.2857142857 = -1.3257299837 x = -1.3257299837 Simplifying x = -1.3257299837Solution
The solution to the problem is based on the solutions from the subproblems. x = {0.7543014123, -1.3257299837}
| 1.12+1.25y=8.26 | | -1/2+x+2/3=(-5/6) | | 6(3x-1)=3(6x+9) | | 1/2x-1=-1 | | 15y-25=20y-40 | | 2(2w-65+w)=860 | | (7)(6)(4)= | | 1+a=6/7 | | 7+18z-1=9z+71-4z | | 2*2-10=y | | xy+2xz=0 | | (23)(22)=506 | | t-1/5=3/10 | | 5t+13t=36 | | -3x-5-2x+7+x-x= | | -5w-9=15g-9 | | -11.2x=100.8 | | 26+14(t)=0 | | 15y-25/4=5y-10 | | 5a=13/10 | | 4x-12-3x=x+18 | | -6x-7=-1(-9+2x) | | x^2-x-506= | | 4x+6+5x=33 | | 4.4q-1.1-3.6q=-0.2q-5.3 | | -6=3/8(r) | | x^2+9=-8 | | 4(8x-5)=43 | | 3(2-x)=2-(3x-4) | | 5/6z=31/3 | | x^2-15=-14 | | 0.15x+0.10(260-x)=30 |