If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying x2 + -13x + 6.5 = 0 Reorder the terms: 6.5 + -13x + x2 = 0 Solving 6.5 + -13x + x2 = 0 Solving for variable 'x'. Begin completing the square. Move the constant term to the right: Add '-6.5' to each side of the equation. 6.5 + -13x + -6.5 + x2 = 0 + -6.5 Reorder the terms: 6.5 + -6.5 + -13x + x2 = 0 + -6.5 Combine like terms: 6.5 + -6.5 = 0.0 0.0 + -13x + x2 = 0 + -6.5 -13x + x2 = 0 + -6.5 Combine like terms: 0 + -6.5 = -6.5 -13x + x2 = -6.5 The x term is -13x. Take half its coefficient (-6.5). Square it (42.25) and add it to both sides. Add '42.25' to each side of the equation. -13x + 42.25 + x2 = -6.5 + 42.25 Reorder the terms: 42.25 + -13x + x2 = -6.5 + 42.25 Combine like terms: -6.5 + 42.25 = 35.75 42.25 + -13x + x2 = 35.75 Factor a perfect square on the left side: (x + -6.5)(x + -6.5) = 35.75 Calculate the square root of the right side: 5.979130372 Break this problem into two subproblems by setting (x + -6.5) equal to 5.979130372 and -5.979130372.Subproblem 1
x + -6.5 = 5.979130372 Simplifying x + -6.5 = 5.979130372 Reorder the terms: -6.5 + x = 5.979130372 Solving -6.5 + x = 5.979130372 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '6.5' to each side of the equation. -6.5 + 6.5 + x = 5.979130372 + 6.5 Combine like terms: -6.5 + 6.5 = 0.0 0.0 + x = 5.979130372 + 6.5 x = 5.979130372 + 6.5 Combine like terms: 5.979130372 + 6.5 = 12.479130372 x = 12.479130372 Simplifying x = 12.479130372Subproblem 2
x + -6.5 = -5.979130372 Simplifying x + -6.5 = -5.979130372 Reorder the terms: -6.5 + x = -5.979130372 Solving -6.5 + x = -5.979130372 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '6.5' to each side of the equation. -6.5 + 6.5 + x = -5.979130372 + 6.5 Combine like terms: -6.5 + 6.5 = 0.0 0.0 + x = -5.979130372 + 6.5 x = -5.979130372 + 6.5 Combine like terms: -5.979130372 + 6.5 = 0.520869628 x = 0.520869628 Simplifying x = 0.520869628Solution
The solution to the problem is based on the solutions from the subproblems. x = {12.479130372, 0.520869628}
| -20x=4x^2+25 | | 2t^2+7t-4=0 | | (2/3)a+2=(1/3)(4a+1) | | -x-(2/5)=x+(1/2)+(1/5) | | y=-10+10 | | 75-(-10)= | | 5p-3=12p+11 | | 1/3d=60 | | 5u^2+20u=0 | | 12+.45x=20 | | 6w^2-12w=0 | | 8.4+6.7*8/8 | | 6h=358 | | 4y^2=-20y | | 3ln(7x)=12 | | 6(-7/18p)+2p | | -6(v+9)=6v-18 | | 2x-(-4)=2 | | -8x^4+72x^5/12x^5 | | 27r+55=190 | | p=2(2)+2(89) | | 1000x^2+600x=x-1 | | 4x-7x-14=-3x+3-14 | | p+p+49+p+49=144 | | p+p+49+(p+49)=144 | | x+5+3x-1=7.6 | | 3(4k+14)=10k-2k(k-7) | | 6x=-p/3-2p | | 0.18(y-1)+0.20y=0.02y-0.09(40) | | 2*x-1=15 | | 9-(3n-4)=7-4n | | 53=25+250m |