If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 3x2 + -13x + -15 = 0 Reorder the terms: -15 + -13x + 3x2 = 0 Solving -15 + -13x + 3x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 3 the coefficient of the squared term: Divide each side by '3'. -5 + -4.333333333x + x2 = 0 Move the constant term to the right: Add '5' to each side of the equation. -5 + -4.333333333x + 5 + x2 = 0 + 5 Reorder the terms: -5 + 5 + -4.333333333x + x2 = 0 + 5 Combine like terms: -5 + 5 = 0 0 + -4.333333333x + x2 = 0 + 5 -4.333333333x + x2 = 0 + 5 Combine like terms: 0 + 5 = 5 -4.333333333x + x2 = 5 The x term is -4.333333333x. Take half its coefficient (-2.166666667). Square it (4.694444446) and add it to both sides. Add '4.694444446' to each side of the equation. -4.333333333x + 4.694444446 + x2 = 5 + 4.694444446 Reorder the terms: 4.694444446 + -4.333333333x + x2 = 5 + 4.694444446 Combine like terms: 5 + 4.694444446 = 9.694444446 4.694444446 + -4.333333333x + x2 = 9.694444446 Factor a perfect square on the left side: (x + -2.166666667)(x + -2.166666667) = 9.694444446 Calculate the square root of the right side: 3.113590282 Break this problem into two subproblems by setting (x + -2.166666667) equal to 3.113590282 and -3.113590282.Subproblem 1
x + -2.166666667 = 3.113590282 Simplifying x + -2.166666667 = 3.113590282 Reorder the terms: -2.166666667 + x = 3.113590282 Solving -2.166666667 + x = 3.113590282 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.166666667' to each side of the equation. -2.166666667 + 2.166666667 + x = 3.113590282 + 2.166666667 Combine like terms: -2.166666667 + 2.166666667 = 0.000000000 0.000000000 + x = 3.113590282 + 2.166666667 x = 3.113590282 + 2.166666667 Combine like terms: 3.113590282 + 2.166666667 = 5.280256949 x = 5.280256949 Simplifying x = 5.280256949Subproblem 2
x + -2.166666667 = -3.113590282 Simplifying x + -2.166666667 = -3.113590282 Reorder the terms: -2.166666667 + x = -3.113590282 Solving -2.166666667 + x = -3.113590282 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.166666667' to each side of the equation. -2.166666667 + 2.166666667 + x = -3.113590282 + 2.166666667 Combine like terms: -2.166666667 + 2.166666667 = 0.000000000 0.000000000 + x = -3.113590282 + 2.166666667 x = -3.113590282 + 2.166666667 Combine like terms: -3.113590282 + 2.166666667 = -0.946923615 x = -0.946923615 Simplifying x = -0.946923615Solution
The solution to the problem is based on the solutions from the subproblems. x = {5.280256949, -0.946923615}
| 9=8u+u | | 3x-5+2x-10=-20 | | 3x-5+2x=-20 | | 7(x+2)+1=3x+15+4x | | ax+3=9x+b | | 121pie=pier^2 | | (5x-9)(3x-7)= | | -3x-x+5x=2.1 | | 83x+y=517 | | 4x^2+6x-35=0 | | 7x+5y=156 | | x-5-7= | | -5(2t+9)=-15 | | Lim((x^2)+5x+10)=4 | | ((x^2)+5x+10)=4 | | 10(s-7)=-107 | | 4x+9y=57 | | 4(4s+2)=200 | | 12x-x^2=36-12x+x^2 | | s(x)=2x+5 | | (u+2)*9=63 | | 41=5+x*3 | | 5x+4-2x=19 | | 48+6x=x+176 | | A+B+80=100 | | (k+1)x^2-2(k-1)x+1=0 | | s^2-s-56= | | X*1.2=120 | | x*.20=120 | | x+(x-13)+(x+65)=244 | | Y=30x^2+64x+32 | | 5(a+x)-bx+7=4b+2ax |