If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 7a2 = 19 + -8a Solving 7a2 = 19 + -8a Solving for variable 'a'. Reorder the terms: -19 + 8a + 7a2 = 19 + -8a + -19 + 8a Reorder the terms: -19 + 8a + 7a2 = 19 + -19 + -8a + 8a Combine like terms: 19 + -19 = 0 -19 + 8a + 7a2 = 0 + -8a + 8a -19 + 8a + 7a2 = -8a + 8a Combine like terms: -8a + 8a = 0 -19 + 8a + 7a2 = 0 Begin completing the square. Divide all terms by 7 the coefficient of the squared term: Divide each side by '7'. -2.714285714 + 1.142857143a + a2 = 0 Move the constant term to the right: Add '2.714285714' to each side of the equation. -2.714285714 + 1.142857143a + 2.714285714 + a2 = 0 + 2.714285714 Reorder the terms: -2.714285714 + 2.714285714 + 1.142857143a + a2 = 0 + 2.714285714 Combine like terms: -2.714285714 + 2.714285714 = 0.000000000 0.000000000 + 1.142857143a + a2 = 0 + 2.714285714 1.142857143a + a2 = 0 + 2.714285714 Combine like terms: 0 + 2.714285714 = 2.714285714 1.142857143a + a2 = 2.714285714 The a term is 1.142857143a. Take half its coefficient (0.5714285715). Square it (0.3265306123) and add it to both sides. Add '0.3265306123' to each side of the equation. 1.142857143a + 0.3265306123 + a2 = 2.714285714 + 0.3265306123 Reorder the terms: 0.3265306123 + 1.142857143a + a2 = 2.714285714 + 0.3265306123 Combine like terms: 2.714285714 + 0.3265306123 = 3.0408163263 0.3265306123 + 1.142857143a + a2 = 3.0408163263 Factor a perfect square on the left side: (a + 0.5714285715)(a + 0.5714285715) = 3.0408163263 Calculate the square root of the right side: 1.743793659 Break this problem into two subproblems by setting (a + 0.5714285715) equal to 1.743793659 and -1.743793659.Subproblem 1
a + 0.5714285715 = 1.743793659 Simplifying a + 0.5714285715 = 1.743793659 Reorder the terms: 0.5714285715 + a = 1.743793659 Solving 0.5714285715 + a = 1.743793659 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-0.5714285715' to each side of the equation. 0.5714285715 + -0.5714285715 + a = 1.743793659 + -0.5714285715 Combine like terms: 0.5714285715 + -0.5714285715 = 0.0000000000 0.0000000000 + a = 1.743793659 + -0.5714285715 a = 1.743793659 + -0.5714285715 Combine like terms: 1.743793659 + -0.5714285715 = 1.1723650875 a = 1.1723650875 Simplifying a = 1.1723650875Subproblem 2
a + 0.5714285715 = -1.743793659 Simplifying a + 0.5714285715 = -1.743793659 Reorder the terms: 0.5714285715 + a = -1.743793659 Solving 0.5714285715 + a = -1.743793659 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-0.5714285715' to each side of the equation. 0.5714285715 + -0.5714285715 + a = -1.743793659 + -0.5714285715 Combine like terms: 0.5714285715 + -0.5714285715 = 0.0000000000 0.0000000000 + a = -1.743793659 + -0.5714285715 a = -1.743793659 + -0.5714285715 Combine like terms: -1.743793659 + -0.5714285715 = -2.3152222305 a = -2.3152222305 Simplifying a = -2.3152222305Solution
The solution to the problem is based on the solutions from the subproblems. a = {1.1723650875, -2.3152222305}
| x^2+.7x+.1=0 | | 8s(s+4)=s-21 | | 4(7-2b)+2(5b+2)= | | -0.2x-0.3y=0.2 | | -x+5-3x=-55 | | 5x-35=x-13 | | 10x=15x-15 | | 8x-6=5x-12 | | 2(23-x-2y)+2(23-x-7)=20 | | 4(x+3)=3x+3 | | 2(x+2)=3x-4 | | 2v+4=-2(2v+4) | | -6-7(5k-7)=3k-11(1+4k) | | 0=2x^3+8x+1 | | y=392-47.5x | | (-2*-2*-2*-2)-3(6+7)= | | 10=2x+8x | | 2+5r=26 | | 3n+24= | | x+y+2z=23 | | -1+x=x+11 | | x+6=1+2x+8 | | 0.16(y-8)+0.10y=0.18y-0.09(10) | | 11(-7n+4)=-23-11n | | 1.5k+3.5=-4 | | -3x-24=-6x+33 | | 10(1-p)=10(p+9) | | 12u+17y=891 | | 36b-9=18b+3 | | 27-2x=x | | 5+2r=26 | | (3x+2y)2= |