If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 2a2 + -18a + 20.25 = 0 Reorder the terms: 20.25 + -18a + 2a2 = 0 Solving 20.25 + -18a + 2a2 = 0 Solving for variable 'a'. Begin completing the square. Divide all terms by 2 the coefficient of the squared term: Divide each side by '2'. 10.125 + -9a + a2 = 0 Move the constant term to the right: Add '-10.125' to each side of the equation. 10.125 + -9a + -10.125 + a2 = 0 + -10.125 Reorder the terms: 10.125 + -10.125 + -9a + a2 = 0 + -10.125 Combine like terms: 10.125 + -10.125 = 0.000 0.000 + -9a + a2 = 0 + -10.125 -9a + a2 = 0 + -10.125 Combine like terms: 0 + -10.125 = -10.125 -9a + a2 = -10.125 The a term is -9a. Take half its coefficient (-4.5). Square it (20.25) and add it to both sides. Add '20.25' to each side of the equation. -9a + 20.25 + a2 = -10.125 + 20.25 Reorder the terms: 20.25 + -9a + a2 = -10.125 + 20.25 Combine like terms: -10.125 + 20.25 = 10.125 20.25 + -9a + a2 = 10.125 Factor a perfect square on the left side: (a + -4.5)(a + -4.5) = 10.125 Calculate the square root of the right side: 3.181980515 Break this problem into two subproblems by setting (a + -4.5) equal to 3.181980515 and -3.181980515.Subproblem 1
a + -4.5 = 3.181980515 Simplifying a + -4.5 = 3.181980515 Reorder the terms: -4.5 + a = 3.181980515 Solving -4.5 + a = 3.181980515 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '4.5' to each side of the equation. -4.5 + 4.5 + a = 3.181980515 + 4.5 Combine like terms: -4.5 + 4.5 = 0.0 0.0 + a = 3.181980515 + 4.5 a = 3.181980515 + 4.5 Combine like terms: 3.181980515 + 4.5 = 7.681980515 a = 7.681980515 Simplifying a = 7.681980515Subproblem 2
a + -4.5 = -3.181980515 Simplifying a + -4.5 = -3.181980515 Reorder the terms: -4.5 + a = -3.181980515 Solving -4.5 + a = -3.181980515 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '4.5' to each side of the equation. -4.5 + 4.5 + a = -3.181980515 + 4.5 Combine like terms: -4.5 + 4.5 = 0.0 0.0 + a = -3.181980515 + 4.5 a = -3.181980515 + 4.5 Combine like terms: -3.181980515 + 4.5 = 1.318019485 a = 1.318019485 Simplifying a = 1.318019485Solution
The solution to the problem is based on the solutions from the subproblems. a = {7.681980515, 1.318019485}
| x-3(17)=81 | | F(X)=(32-x)(40-x) | | x+2=5x+22 | | 2kx^2+kx-x=0 | | 3X+1=48 | | 4x+y=-x+9 | | 2x+3=61 | | 6(-2-9k)= | | 3x-1.66=-7(3.5x-3)-3 | | 2(6+5x)=102 | | 4x=81+x | | -29x+6.1=-5(5.8x+2.2)-0.3 | | a+0.05a= | | -45x-1=9(-5x+1)-4 | | -15=5x+10 | | (x+3)(x-4)=-12 | | (2x+3)(6-3x)=0 | | (-8x+8)2=4 | | (50-2x)*(25x+400)=204000 | | 34x+23.4=4(8.5x+4.1)+7 | | 7x+4y=4 | | -10x+17=-2(5x-5)+7 | | lnx+2+lnx+2=6 | | 2x-7=-14 | | log[5]5=x | | x*log[5](x)=18 | | (25k^2)=30 | | F(x+3)=x^2+kx-21 | | x^3+4x^2-19+14=0 | | x*(x-7)=228 | | =sin(9x) | | y=sin(9*x) |