If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 0 = -100 + (0.7q + -6) * q Reorder the terms: 0 = -100 + (-6 + 0.7q) * q Reorder the terms for easier multiplication: 0 = -100 + q(-6 + 0.7q) 0 = -100 + (-6 * q + 0.7q * q) 0 = -100 + (-6q + 0.7q2) Solving 0 = -100 + -6q + 0.7q2 Solving for variable 'q'. Combine like terms: 0 + 100 = 100 100 + 6q + -0.7q2 = -100 + -6q + 0.7q2 + 100 + 6q + -0.7q2 Reorder the terms: 100 + 6q + -0.7q2 = -100 + 100 + -6q + 6q + 0.7q2 + -0.7q2 Combine like terms: -100 + 100 = 0 100 + 6q + -0.7q2 = 0 + -6q + 6q + 0.7q2 + -0.7q2 100 + 6q + -0.7q2 = -6q + 6q + 0.7q2 + -0.7q2 Combine like terms: -6q + 6q = 0 100 + 6q + -0.7q2 = 0 + 0.7q2 + -0.7q2 100 + 6q + -0.7q2 = 0.7q2 + -0.7q2 Combine like terms: 0.7q2 + -0.7q2 = 0.0 100 + 6q + -0.7q2 = 0.0 Begin completing the square. Divide all terms by -0.7 the coefficient of the squared term: Divide each side by '-0.7'. -142.8571429 + -8.571428571q + q2 = 0 Move the constant term to the right: Add '142.8571429' to each side of the equation. -142.8571429 + -8.571428571q + 142.8571429 + q2 = 0 + 142.8571429 Reorder the terms: -142.8571429 + 142.8571429 + -8.571428571q + q2 = 0 + 142.8571429 Combine like terms: -142.8571429 + 142.8571429 = 0.0000000 0.0000000 + -8.571428571q + q2 = 0 + 142.8571429 -8.571428571q + q2 = 0 + 142.8571429 Combine like terms: 0 + 142.8571429 = 142.8571429 -8.571428571q + q2 = 142.8571429 The q term is -8.571428571q. Take half its coefficient (-4.285714286). Square it (18.36734694) and add it to both sides. Add '18.36734694' to each side of the equation. -8.571428571q + 18.36734694 + q2 = 142.8571429 + 18.36734694 Reorder the terms: 18.36734694 + -8.571428571q + q2 = 142.8571429 + 18.36734694 Combine like terms: 142.8571429 + 18.36734694 = 161.22448984 18.36734694 + -8.571428571q + q2 = 161.22448984 Factor a perfect square on the left side: (q + -4.285714286)(q + -4.285714286) = 161.22448984 Calculate the square root of the right side: 12.697420598 Break this problem into two subproblems by setting (q + -4.285714286) equal to 12.697420598 and -12.697420598.Subproblem 1
q + -4.285714286 = 12.697420598 Simplifying q + -4.285714286 = 12.697420598 Reorder the terms: -4.285714286 + q = 12.697420598 Solving -4.285714286 + q = 12.697420598 Solving for variable 'q'. Move all terms containing q to the left, all other terms to the right. Add '4.285714286' to each side of the equation. -4.285714286 + 4.285714286 + q = 12.697420598 + 4.285714286 Combine like terms: -4.285714286 + 4.285714286 = 0.000000000 0.000000000 + q = 12.697420598 + 4.285714286 q = 12.697420598 + 4.285714286 Combine like terms: 12.697420598 + 4.285714286 = 16.983134884 q = 16.983134884 Simplifying q = 16.983134884Subproblem 2
q + -4.285714286 = -12.697420598 Simplifying q + -4.285714286 = -12.697420598 Reorder the terms: -4.285714286 + q = -12.697420598 Solving -4.285714286 + q = -12.697420598 Solving for variable 'q'. Move all terms containing q to the left, all other terms to the right. Add '4.285714286' to each side of the equation. -4.285714286 + 4.285714286 + q = -12.697420598 + 4.285714286 Combine like terms: -4.285714286 + 4.285714286 = 0.000000000 0.000000000 + q = -12.697420598 + 4.285714286 q = -12.697420598 + 4.285714286 Combine like terms: -12.697420598 + 4.285714286 = -8.411706312 q = -8.411706312 Simplifying q = -8.411706312Solution
The solution to the problem is based on the solutions from the subproblems. q = {16.983134884, -8.411706312}
| 2(22-3*7)= | | 28-16=3(x-1) | | b+a=cx | | 2(x+6)=12+2x | | ln(2x^4+10x^3)+ln(1/(3x^3)) | | 7-6=12-2x | | 0=cx-a+b | | cx-a+b=2b | | 5x+-10=21-6x | | 9+x/2=10 | | 1x-4y=-27 | | y=5sinx+3x | | -4x/3=12 | | 355-5x=0+5x | | -3/4y+2=14 | | -2(3n-1)-n=5(n-4) | | 6/5+x=4/7 | | 120+10x=15+4x | | 2x+(2*2*x+5)=949 | | x-52=194 | | 5*5x=8*5 | | 6x-28=x-8 | | 3x+(2*2*x+5)=949 | | 10n+15=54n+48+4 | | 3[2x-9]-10=-17 | | 2(7-3r)=3r-22 | | (4/(x-5))+(3/(x+4)) | | 14x^2-6x^3=0 | | 9(4-y)/5=-y | | 8v-2+2(2v+2)=-2(v+5) | | 2x+15=4x-15 | | =12s^2-17s-5 |