If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 7s2 = -13 + -28s Solving 7s2 = -13 + -28s Solving for variable 's'. Reorder the terms: 13 + 28s + 7s2 = -13 + -28s + 13 + 28s Reorder the terms: 13 + 28s + 7s2 = -13 + 13 + -28s + 28s Combine like terms: -13 + 13 = 0 13 + 28s + 7s2 = 0 + -28s + 28s 13 + 28s + 7s2 = -28s + 28s Combine like terms: -28s + 28s = 0 13 + 28s + 7s2 = 0 Begin completing the square. Divide all terms by 7 the coefficient of the squared term: Divide each side by '7'. 1.857142857 + 4s + s2 = 0 Move the constant term to the right: Add '-1.857142857' to each side of the equation. 1.857142857 + 4s + -1.857142857 + s2 = 0 + -1.857142857 Reorder the terms: 1.857142857 + -1.857142857 + 4s + s2 = 0 + -1.857142857 Combine like terms: 1.857142857 + -1.857142857 = 0.000000000 0.000000000 + 4s + s2 = 0 + -1.857142857 4s + s2 = 0 + -1.857142857 Combine like terms: 0 + -1.857142857 = -1.857142857 4s + s2 = -1.857142857 The s term is 4s. Take half its coefficient (2). Square it (4) and add it to both sides. Add '4' to each side of the equation. 4s + 4 + s2 = -1.857142857 + 4 Reorder the terms: 4 + 4s + s2 = -1.857142857 + 4 Combine like terms: -1.857142857 + 4 = 2.142857143 4 + 4s + s2 = 2.142857143 Factor a perfect square on the left side: (s + 2)(s + 2) = 2.142857143 Calculate the square root of the right side: 1.463850109 Break this problem into two subproblems by setting (s + 2) equal to 1.463850109 and -1.463850109.Subproblem 1
s + 2 = 1.463850109 Simplifying s + 2 = 1.463850109 Reorder the terms: 2 + s = 1.463850109 Solving 2 + s = 1.463850109 Solving for variable 's'. Move all terms containing s to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + s = 1.463850109 + -2 Combine like terms: 2 + -2 = 0 0 + s = 1.463850109 + -2 s = 1.463850109 + -2 Combine like terms: 1.463850109 + -2 = -0.536149891 s = -0.536149891 Simplifying s = -0.536149891Subproblem 2
s + 2 = -1.463850109 Simplifying s + 2 = -1.463850109 Reorder the terms: 2 + s = -1.463850109 Solving 2 + s = -1.463850109 Solving for variable 's'. Move all terms containing s to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + s = -1.463850109 + -2 Combine like terms: 2 + -2 = 0 0 + s = -1.463850109 + -2 s = -1.463850109 + -2 Combine like terms: -1.463850109 + -2 = -3.463850109 s = -3.463850109 Simplifying s = -3.463850109Solution
The solution to the problem is based on the solutions from the subproblems. s = {-0.536149891, -3.463850109}
| -44-w/3 | | 9x^2-21=175 | | 1.5p=45 | | 3x+6(-6x-2)=17-4x | | 1x^2+21=28 | | 2*x=81 | | 3a+5=7(a-1) | | x+(.03*x)=78000 | | 5/8y=35 | | 5(3v-3)-4=71 | | P=b+2a+6 | | 3x^2-42x+42= | | 2/5y-8=9-3/4y | | =4x(5x-2) | | 2(5u-8)=62 | | V+2=-12+3v | | x+(.03+x)=78000 | | 7/9-6 | | 3x+10=1whatisx | | 2.3v=121 | | =5x(3+2x) | | u(u-0.25)=0.0378 | | 0.75x-10=-0.25 | | 4y-4=2y-30 | | 18t+7=97 | | 1.3x+0.7x=4 | | 1/2x=54 | | -6-s=-19 | | 225x^2+17=81 | | 6y-30=6y+20 | | 3Y+15=2Y+(100-84) | | 6a-18=12 |