If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying -7b2 + 10b + -2 = -7 Reorder the terms: -2 + 10b + -7b2 = -7 Solving -2 + 10b + -7b2 = -7 Solving for variable 'b'. Reorder the terms: -2 + 7 + 10b + -7b2 = -7 + 7 Combine like terms: -2 + 7 = 5 5 + 10b + -7b2 = -7 + 7 Combine like terms: -7 + 7 = 0 5 + 10b + -7b2 = 0 Begin completing the square. Divide all terms by -7 the coefficient of the squared term: Divide each side by '-7'. -0.7142857143 + -1.428571429b + b2 = 0 Move the constant term to the right: Add '0.7142857143' to each side of the equation. -0.7142857143 + -1.428571429b + 0.7142857143 + b2 = 0 + 0.7142857143 Reorder the terms: -0.7142857143 + 0.7142857143 + -1.428571429b + b2 = 0 + 0.7142857143 Combine like terms: -0.7142857143 + 0.7142857143 = 0.0000000000 0.0000000000 + -1.428571429b + b2 = 0 + 0.7142857143 -1.428571429b + b2 = 0 + 0.7142857143 Combine like terms: 0 + 0.7142857143 = 0.7142857143 -1.428571429b + b2 = 0.7142857143 The b term is -1.428571429b. Take half its coefficient (-0.7142857145). Square it (0.5102040819) and add it to both sides. Add '0.5102040819' to each side of the equation. -1.428571429b + 0.5102040819 + b2 = 0.7142857143 + 0.5102040819 Reorder the terms: 0.5102040819 + -1.428571429b + b2 = 0.7142857143 + 0.5102040819 Combine like terms: 0.7142857143 + 0.5102040819 = 1.2244897962 0.5102040819 + -1.428571429b + b2 = 1.2244897962 Factor a perfect square on the left side: (b + -0.7142857145)(b + -0.7142857145) = 1.2244897962 Calculate the square root of the right side: 1.10656667 Break this problem into two subproblems by setting (b + -0.7142857145) equal to 1.10656667 and -1.10656667.Subproblem 1
b + -0.7142857145 = 1.10656667 Simplifying b + -0.7142857145 = 1.10656667 Reorder the terms: -0.7142857145 + b = 1.10656667 Solving -0.7142857145 + b = 1.10656667 Solving for variable 'b'. Move all terms containing b to the left, all other terms to the right. Add '0.7142857145' to each side of the equation. -0.7142857145 + 0.7142857145 + b = 1.10656667 + 0.7142857145 Combine like terms: -0.7142857145 + 0.7142857145 = 0.0000000000 0.0000000000 + b = 1.10656667 + 0.7142857145 b = 1.10656667 + 0.7142857145 Combine like terms: 1.10656667 + 0.7142857145 = 1.8208523845 b = 1.8208523845 Simplifying b = 1.8208523845Subproblem 2
b + -0.7142857145 = -1.10656667 Simplifying b + -0.7142857145 = -1.10656667 Reorder the terms: -0.7142857145 + b = -1.10656667 Solving -0.7142857145 + b = -1.10656667 Solving for variable 'b'. Move all terms containing b to the left, all other terms to the right. Add '0.7142857145' to each side of the equation. -0.7142857145 + 0.7142857145 + b = -1.10656667 + 0.7142857145 Combine like terms: -0.7142857145 + 0.7142857145 = 0.0000000000 0.0000000000 + b = -1.10656667 + 0.7142857145 b = -1.10656667 + 0.7142857145 Combine like terms: -1.10656667 + 0.7142857145 = -0.3922809555 b = -0.3922809555 Simplifying b = -0.3922809555Solution
The solution to the problem is based on the solutions from the subproblems. b = {1.8208523845, -0.3922809555}
| x+1.8=3.6 | | m^2+10m=-8 | | -8s+13=7s-13 | | 5-11t=7(5-2) | | -x+13=19 | | 2(9n-1)+7(n+6)=-66 | | 6(2x+7)=4x+102 | | 3x-12=-5 | | 6x^2-14x=-8 | | 3(4s+6)=114 | | 14tan(x)+9=0 | | 3(2l+4)=24 | | 14x+3y=14 | | f(x)=x^5-2x^3 | | 7y+6=6y-6 | | 15x+2x=34 | | 4(u+7)=42 | | 3x^2+41x=-110 | | 14x+8y=400 | | -5(q+2)=4 | | Tan(3x)*tan(x)-1=0 | | 13x^2+2x-68=0 | | 3x-20y=620 | | 2(e+4)=28 | | X^2+3x+k^2=0 | | (3*1)+(3*2y)=y+2y+4y | | 16-7y=-2 | | 5m+6-m=4m-3 | | 2(2p+1)=4p+2 | | y=52-2x | | 3(v+2)=-3(4v-1)+9v | | 3.50x+4.00y=305 |