If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 4 + 7n = 9n2 Solving 4 + 7n = 9n2 Solving for variable 'n'. Combine like terms: 9n2 + -9n2 = 0 4 + 7n + -9n2 = 0 Begin completing the square. Divide all terms by -9 the coefficient of the squared term: Divide each side by '-9'. -0.4444444444 + -0.7777777778n + n2 = 0 Move the constant term to the right: Add '0.4444444444' to each side of the equation. -0.4444444444 + -0.7777777778n + 0.4444444444 + n2 = 0 + 0.4444444444 Reorder the terms: -0.4444444444 + 0.4444444444 + -0.7777777778n + n2 = 0 + 0.4444444444 Combine like terms: -0.4444444444 + 0.4444444444 = 0.0000000000 0.0000000000 + -0.7777777778n + n2 = 0 + 0.4444444444 -0.7777777778n + n2 = 0 + 0.4444444444 Combine like terms: 0 + 0.4444444444 = 0.4444444444 -0.7777777778n + n2 = 0.4444444444 The n term is -0.7777777778n. Take half its coefficient (-0.3888888889). Square it (0.1512345679) and add it to both sides. Add '0.1512345679' to each side of the equation. -0.7777777778n + 0.1512345679 + n2 = 0.4444444444 + 0.1512345679 Reorder the terms: 0.1512345679 + -0.7777777778n + n2 = 0.4444444444 + 0.1512345679 Combine like terms: 0.4444444444 + 0.1512345679 = 0.5956790123 0.1512345679 + -0.7777777778n + n2 = 0.5956790123 Factor a perfect square on the left side: (n + -0.3888888889)(n + -0.3888888889) = 0.5956790123 Calculate the square root of the right side: 0.771802444 Break this problem into two subproblems by setting (n + -0.3888888889) equal to 0.771802444 and -0.771802444.Subproblem 1
n + -0.3888888889 = 0.771802444 Simplifying n + -0.3888888889 = 0.771802444 Reorder the terms: -0.3888888889 + n = 0.771802444 Solving -0.3888888889 + n = 0.771802444 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '0.3888888889' to each side of the equation. -0.3888888889 + 0.3888888889 + n = 0.771802444 + 0.3888888889 Combine like terms: -0.3888888889 + 0.3888888889 = 0.0000000000 0.0000000000 + n = 0.771802444 + 0.3888888889 n = 0.771802444 + 0.3888888889 Combine like terms: 0.771802444 + 0.3888888889 = 1.1606913329 n = 1.1606913329 Simplifying n = 1.1606913329Subproblem 2
n + -0.3888888889 = -0.771802444 Simplifying n + -0.3888888889 = -0.771802444 Reorder the terms: -0.3888888889 + n = -0.771802444 Solving -0.3888888889 + n = -0.771802444 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '0.3888888889' to each side of the equation. -0.3888888889 + 0.3888888889 + n = -0.771802444 + 0.3888888889 Combine like terms: -0.3888888889 + 0.3888888889 = 0.0000000000 0.0000000000 + n = -0.771802444 + 0.3888888889 n = -0.771802444 + 0.3888888889 Combine like terms: -0.771802444 + 0.3888888889 = -0.3829135551 n = -0.3829135551 Simplifying n = -0.3829135551Solution
The solution to the problem is based on the solutions from the subproblems. n = {1.1606913329, -0.3829135551}
| 7-6n+4n=28-71 | | X=0.6x+386 | | 9-2a=5 | | 5x-(4x+8)=2x-29 | | 2x+2y=96 | | .22y-2.2=.12y+1-.7y | | 4n-12=-12+5n | | 4(c-2)+6=5+c-7 | | 5x-(3x-8)=26 | | .5x=6+.6x | | 30x^2-10=0 | | .5x=6+.06x | | 7u-6u=6+16 | | 6(x-3)(x-3)=36 | | (-3t^2+4t-7)+(6t^2+t+2)=0 | | 4p=5(8p+5) | | 3x+41=7x+5 | | 5-1/2(4x+6)=-3x-8 | | 6x^4-7x^2+5=0 | | -3w-19=-w-7 | | 2x-12=23+7x | | 9y-21=-42+6y | | 5+3x*7-y=4x*10y-9+7x+3y | | 14x-2x= | | 3.2q-1.6-5.1q=-2.9q-2.5 | | (y-7)-(y+4)=3y | | 5+2x=x-5 | | d=st | | 5(x-14)=15x-70 | | 5=.50a+.75a-.625a | | -7v-46=-4(v+7) | | 14x-2x=11x |