If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 16 = x2 + 4x Reorder the terms: 16 = 4x + x2 Solving 16 = 4x + x2 Solving for variable 'x'. Reorder the terms: 16 + -4x + -1x2 = 4x + -4x + x2 + -1x2 Combine like terms: 4x + -4x = 0 16 + -4x + -1x2 = 0 + x2 + -1x2 16 + -4x + -1x2 = x2 + -1x2 Combine like terms: x2 + -1x2 = 0 16 + -4x + -1x2 = 0 Begin completing the square. Divide all terms by -1 the coefficient of the squared term: Divide each side by '-1'. -16 + 4x + x2 = 0 Move the constant term to the right: Add '16' to each side of the equation. -16 + 4x + 16 + x2 = 0 + 16 Reorder the terms: -16 + 16 + 4x + x2 = 0 + 16 Combine like terms: -16 + 16 = 0 0 + 4x + x2 = 0 + 16 4x + x2 = 0 + 16 Combine like terms: 0 + 16 = 16 4x + x2 = 16 The x term is 4x. Take half its coefficient (2). Square it (4) and add it to both sides. Add '4' to each side of the equation. 4x + 4 + x2 = 16 + 4 Reorder the terms: 4 + 4x + x2 = 16 + 4 Combine like terms: 16 + 4 = 20 4 + 4x + x2 = 20 Factor a perfect square on the left side: (x + 2)(x + 2) = 20 Calculate the square root of the right side: 4.472135955 Break this problem into two subproblems by setting (x + 2) equal to 4.472135955 and -4.472135955.Subproblem 1
x + 2 = 4.472135955 Simplifying x + 2 = 4.472135955 Reorder the terms: 2 + x = 4.472135955 Solving 2 + x = 4.472135955 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + x = 4.472135955 + -2 Combine like terms: 2 + -2 = 0 0 + x = 4.472135955 + -2 x = 4.472135955 + -2 Combine like terms: 4.472135955 + -2 = 2.472135955 x = 2.472135955 Simplifying x = 2.472135955Subproblem 2
x + 2 = -4.472135955 Simplifying x + 2 = -4.472135955 Reorder the terms: 2 + x = -4.472135955 Solving 2 + x = -4.472135955 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + x = -4.472135955 + -2 Combine like terms: 2 + -2 = 0 0 + x = -4.472135955 + -2 x = -4.472135955 + -2 Combine like terms: -4.472135955 + -2 = -6.472135955 x = -6.472135955 Simplifying x = -6.472135955Solution
The solution to the problem is based on the solutions from the subproblems. x = {2.472135955, -6.472135955}
| x^2-8x-4y=0 | | u=hnu | | 3xX+2= | | 5x+5=x-31 | | 1m+5(1m-1)=7 | | 27=6xh | | 2x^2-10x+3xy-15x= | | x+racine(x^2-1)=0 | | g(x)=9-2x^2 | | 8+5b=33 | | 0.80x+0.05(18-x)=0.10(144) | | 8(d-4)+10= | | f(x)=9-2x^2 | | 16x^2-8yx+y= | | -0.10(40)+0.90x=0.05(x-12) | | 8m-(7+5)=-8-2(m+12) | | 0.15y+0.08(y+9000)=1410 | | 3a^2x-5axy=-12 | | -3(-x-7)=-8 | | 2x(u-3y)+5y(u-3v)= | | V^2=16v-64 | | -8w+5(w-8)=-19 | | 10y=12x+7 | | x^2+12x+81=0 | | 28x=-7+28y | | 10b-6+3b-4= | | 12x-10y=7 | | 5x-1/8=3 | | -2r(3-2r)= | | 4y-4=2y+30 | | Z^2+7iz+4=0 | | 2.4(3x+2)+0.3(x+4)=6.6 |