If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 13x2 + -7x + -2 = 0 Reorder the terms: -2 + -7x + 13x2 = 0 Solving -2 + -7x + 13x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 13 the coefficient of the squared term: Divide each side by '13'. -0.1538461538 + -0.5384615385x + x2 = 0 Move the constant term to the right: Add '0.1538461538' to each side of the equation. -0.1538461538 + -0.5384615385x + 0.1538461538 + x2 = 0 + 0.1538461538 Reorder the terms: -0.1538461538 + 0.1538461538 + -0.5384615385x + x2 = 0 + 0.1538461538 Combine like terms: -0.1538461538 + 0.1538461538 = 0.0000000000 0.0000000000 + -0.5384615385x + x2 = 0 + 0.1538461538 -0.5384615385x + x2 = 0 + 0.1538461538 Combine like terms: 0 + 0.1538461538 = 0.1538461538 -0.5384615385x + x2 = 0.1538461538 The x term is -0.5384615385x. Take half its coefficient (-0.2692307693). Square it (0.07248520714) and add it to both sides. Add '0.07248520714' to each side of the equation. -0.5384615385x + 0.07248520714 + x2 = 0.1538461538 + 0.07248520714 Reorder the terms: 0.07248520714 + -0.5384615385x + x2 = 0.1538461538 + 0.07248520714 Combine like terms: 0.1538461538 + 0.07248520714 = 0.22633136094 0.07248520714 + -0.5384615385x + x2 = 0.22633136094 Factor a perfect square on the left side: (x + -0.2692307693)(x + -0.2692307693) = 0.22633136094 Calculate the square root of the right side: 0.475742957 Break this problem into two subproblems by setting (x + -0.2692307693) equal to 0.475742957 and -0.475742957.Subproblem 1
x + -0.2692307693 = 0.475742957 Simplifying x + -0.2692307693 = 0.475742957 Reorder the terms: -0.2692307693 + x = 0.475742957 Solving -0.2692307693 + x = 0.475742957 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.2692307693' to each side of the equation. -0.2692307693 + 0.2692307693 + x = 0.475742957 + 0.2692307693 Combine like terms: -0.2692307693 + 0.2692307693 = 0.0000000000 0.0000000000 + x = 0.475742957 + 0.2692307693 x = 0.475742957 + 0.2692307693 Combine like terms: 0.475742957 + 0.2692307693 = 0.7449737263 x = 0.7449737263 Simplifying x = 0.7449737263Subproblem 2
x + -0.2692307693 = -0.475742957 Simplifying x + -0.2692307693 = -0.475742957 Reorder the terms: -0.2692307693 + x = -0.475742957 Solving -0.2692307693 + x = -0.475742957 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.2692307693' to each side of the equation. -0.2692307693 + 0.2692307693 + x = -0.475742957 + 0.2692307693 Combine like terms: -0.2692307693 + 0.2692307693 = 0.0000000000 0.0000000000 + x = -0.475742957 + 0.2692307693 x = -0.475742957 + 0.2692307693 Combine like terms: -0.475742957 + 0.2692307693 = -0.2065121877 x = -0.2065121877 Simplifying x = -0.2065121877Solution
The solution to the problem is based on the solutions from the subproblems. x = {0.7449737263, -0.2065121877}
| (-3/4)=(-2/3x-(2/5)) | | 5x^2+20x+40=100 | | 8x+2y+3x= | | (11)(3x-1)=-20 | | 4-5x=3-10x-(7-x) | | (11)3x-1=-20 | | 7-10m=9-9m | | 9+7x-12=3x-5-4(2-x) | | 10/15=16/x | | 2X=4x+5 | | 15/3=x/8 | | 8/32=x/44 | | D=kA[T↓2-t↓1/L] | | 18/6=x/9 | | 8/11-5/11 | | 6x-9-2x=x+7+x | | 9/12=15/x | | 3/9=x/36 | | 10x+12y=286 | | 3(x+2)-1=2(x+-1)+2 | | 7x+3.4=-15 | | 8x+7=159 | | 12=19c-13x | | 5x-7+8=x-5+13 | | 3x+4-24+6= | | -2xsquare+4x-3x=3 | | 5x-7x+8=x-5-13 | | 3/4x-2/3=1/6 | | 3/4x-2/3=1/6x | | x/4-3/2 | | 2x+14=50x-6 | | 3/4x-2/3=37/12 |