If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 25722.88 = 2 * 3.14r2 + 2 * 3.14r * 240 Multiply 2 * 3.14 25722.88 = 6.28r2 + 2 * 3.14r * 240 Reorder the terms for easier multiplication: 25722.88 = 6.28r2 + 2 * 3.14 * 240r Multiply 2 * 3.14 25722.88 = 6.28r2 + 6.28 * 240r Multiply 6.28 * 240 25722.88 = 6.28r2 + 1507.2r Reorder the terms: 25722.88 = 1507.2r + 6.28r2 Solving 25722.88 = 1507.2r + 6.28r2 Solving for variable 'r'. Reorder the terms: 25722.88 + -1507.2r + -6.28r2 = 1507.2r + -1507.2r + 6.28r2 + -6.28r2 Combine like terms: 1507.2r + -1507.2r = 0.0 25722.88 + -1507.2r + -6.28r2 = 0.0 + 6.28r2 + -6.28r2 25722.88 + -1507.2r + -6.28r2 = 6.28r2 + -6.28r2 Combine like terms: 6.28r2 + -6.28r2 = 0.00 25722.88 + -1507.2r + -6.28r2 = 0.00 Begin completing the square. Divide all terms by -6.28 the coefficient of the squared term: Divide each side by '-6.28'. -4096 + 240r + r2 = 0 Move the constant term to the right: Add '4096' to each side of the equation. -4096 + 240r + 4096 + r2 = 0 + 4096 Reorder the terms: -4096 + 4096 + 240r + r2 = 0 + 4096 Combine like terms: -4096 + 4096 = 0 0 + 240r + r2 = 0 + 4096 240r + r2 = 0 + 4096 Combine like terms: 0 + 4096 = 4096 240r + r2 = 4096 The r term is 240r. Take half its coefficient (120). Square it (14400) and add it to both sides. Add '14400' to each side of the equation. 240r + 14400 + r2 = 4096 + 14400 Reorder the terms: 14400 + 240r + r2 = 4096 + 14400 Combine like terms: 4096 + 14400 = 18496 14400 + 240r + r2 = 18496 Factor a perfect square on the left side: (r + 120)(r + 120) = 18496 Calculate the square root of the right side: 136 Break this problem into two subproblems by setting (r + 120) equal to 136 and -136.Subproblem 1
r + 120 = 136 Simplifying r + 120 = 136 Reorder the terms: 120 + r = 136 Solving 120 + r = 136 Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-120' to each side of the equation. 120 + -120 + r = 136 + -120 Combine like terms: 120 + -120 = 0 0 + r = 136 + -120 r = 136 + -120 Combine like terms: 136 + -120 = 16 r = 16 Simplifying r = 16Subproblem 2
r + 120 = -136 Simplifying r + 120 = -136 Reorder the terms: 120 + r = -136 Solving 120 + r = -136 Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-120' to each side of the equation. 120 + -120 + r = -136 + -120 Combine like terms: 120 + -120 = 0 0 + r = -136 + -120 r = -136 + -120 Combine like terms: -136 + -120 = -256 r = -256 Simplifying r = -256Solution
The solution to the problem is based on the solutions from the subproblems. r = {16, -256}
| h=35+7-2.7 | | 2.6x-9.54=4.5 | | h=35+7.3 | | s(x+4)=7(x-2) | | 3n=5(n-2) | | (-8x+4)=2x | | 0.40C+(0.50)(700-C)=320 | | (-6x+2)=3x | | -13+38=-5(x+7) | | 3.41n+(4.34*3n)=98.58 | | 11x+5y=17 | | 5x-86=9x | | -b^2+6bi=4 | | 1.6-3x=7x-0.2 | | 3(5x+9)=-29+26 | | 15x*20x= | | b^2+6b=4 | | 15x-20x= | | 15x+20x= | | 15x/20x= | | 15x/20x | | 10x+4=5x-2 | | -5x/4 | | 8y-5=9y-3 | | -6(k+2)-(4k-8)=-11k | | 6x-2=5x+1 | | -46-2i=42+7i*6 | | 3n+22=7n-14 | | -7(n+6)=-6n-4 | | 4b+2b-6=6 | | 4B+5B-6=12 | | 5+4log(x)=4 |