If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 15x2 + -38x + -16 = 0e Reorder the terms: -16 + -38x + 15x2 = 0e Anything times zero is zero. -16 + -38x + 15x2 = 0e Solving -16 + -38x + 15x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 15 the coefficient of the squared term: Divide each side by '15'. -1.066666667 + -2.533333333x + x2 = 0 Move the constant term to the right: Add '1.066666667' to each side of the equation. -1.066666667 + -2.533333333x + 1.066666667 + x2 = 0 + 1.066666667 Reorder the terms: -1.066666667 + 1.066666667 + -2.533333333x + x2 = 0 + 1.066666667 Combine like terms: -1.066666667 + 1.066666667 = 0.000000000 0.000000000 + -2.533333333x + x2 = 0 + 1.066666667 -2.533333333x + x2 = 0 + 1.066666667 Combine like terms: 0 + 1.066666667 = 1.066666667 -2.533333333x + x2 = 1.066666667 The x term is -2.533333333x. Take half its coefficient (-1.266666667). Square it (1.604444445) and add it to both sides. Add '1.604444445' to each side of the equation. -2.533333333x + 1.604444445 + x2 = 1.066666667 + 1.604444445 Reorder the terms: 1.604444445 + -2.533333333x + x2 = 1.066666667 + 1.604444445 Combine like terms: 1.066666667 + 1.604444445 = 2.671111112 1.604444445 + -2.533333333x + x2 = 2.671111112 Factor a perfect square on the left side: (x + -1.266666667)(x + -1.266666667) = 2.671111112 Calculate the square root of the right side: 1.634353423 Break this problem into two subproblems by setting (x + -1.266666667) equal to 1.634353423 and -1.634353423.Subproblem 1
x + -1.266666667 = 1.634353423 Simplifying x + -1.266666667 = 1.634353423 Reorder the terms: -1.266666667 + x = 1.634353423 Solving -1.266666667 + x = 1.634353423 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.266666667' to each side of the equation. -1.266666667 + 1.266666667 + x = 1.634353423 + 1.266666667 Combine like terms: -1.266666667 + 1.266666667 = 0.000000000 0.000000000 + x = 1.634353423 + 1.266666667 x = 1.634353423 + 1.266666667 Combine like terms: 1.634353423 + 1.266666667 = 2.90102009 x = 2.90102009 Simplifying x = 2.90102009Subproblem 2
x + -1.266666667 = -1.634353423 Simplifying x + -1.266666667 = -1.634353423 Reorder the terms: -1.266666667 + x = -1.634353423 Solving -1.266666667 + x = -1.634353423 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.266666667' to each side of the equation. -1.266666667 + 1.266666667 + x = -1.634353423 + 1.266666667 Combine like terms: -1.266666667 + 1.266666667 = 0.000000000 0.000000000 + x = -1.634353423 + 1.266666667 x = -1.634353423 + 1.266666667 Combine like terms: -1.634353423 + 1.266666667 = -0.367686756 x = -0.367686756 Simplifying x = -0.367686756Solution
The solution to the problem is based on the solutions from the subproblems. x = {2.90102009, -0.367686756}
| -(7y-5)-(-6y-4)=-3 | | 16x+4=36 | | -(7y-5)-(6y-4)=-3 | | 15a-20a=5a | | 2x+10=5a | | 0.75x+.05(8-x)=.10(-66) | | -(7y+2)-(-6y-3)=-2 | | 4x=7-x^2 | | 2t+15=-6t-9 | | 1/4-100= | | (6s+5)(6s+5)=0 | | 6s+5=0 | | 8s-3=0 | | 9(x+7)-3x=6(x+5)-3 | | x^2+4x+4-x^2=40 | | x^3+5x^2+6x+30= | | =a^2*b+c^3 | | -5x^2+x+7=x-53 | | 2(x^2+2x-3)-(x^2+3x)=66 | | 0.50x+.05(20-x)=.10(73) | | w(w+3)+66=2(2w+6)(w-1) | | 4(6-2x)-2(3-2x)=-2x | | -(7y+1)-(-6y-5)=2 | | a^2=32-4a | | -(5y+1)-(-4y-4)=1 | | 3(y+6)=4(4-8) | | 19m=15 | | -(4y-2)-(-3y-5)=6 | | 2(x-1)(x+3)-x(x+3)=66 | | -(4-2)-(-3y-5)=6 | | 2(x+3)(x-1)=66 | | 2-x=2(x-3) |