If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 9x2 + -12x + 4 = 87 Reorder the terms: 4 + -12x + 9x2 = 87 Solving 4 + -12x + 9x2 = 87 Solving for variable 'x'. Reorder the terms: 4 + -87 + -12x + 9x2 = 87 + -87 Combine like terms: 4 + -87 = -83 -83 + -12x + 9x2 = 87 + -87 Combine like terms: 87 + -87 = 0 -83 + -12x + 9x2 = 0 Begin completing the square. Divide all terms by 9 the coefficient of the squared term: Divide each side by '9'. -9.222222222 + -1.333333333x + x2 = 0 Move the constant term to the right: Add '9.222222222' to each side of the equation. -9.222222222 + -1.333333333x + 9.222222222 + x2 = 0 + 9.222222222 Reorder the terms: -9.222222222 + 9.222222222 + -1.333333333x + x2 = 0 + 9.222222222 Combine like terms: -9.222222222 + 9.222222222 = 0.000000000 0.000000000 + -1.333333333x + x2 = 0 + 9.222222222 -1.333333333x + x2 = 0 + 9.222222222 Combine like terms: 0 + 9.222222222 = 9.222222222 -1.333333333x + x2 = 9.222222222 The x term is -1.333333333x. Take half its coefficient (-0.6666666665). Square it (0.4444444442) and add it to both sides. Add '0.4444444442' to each side of the equation. -1.333333333x + 0.4444444442 + x2 = 9.222222222 + 0.4444444442 Reorder the terms: 0.4444444442 + -1.333333333x + x2 = 9.222222222 + 0.4444444442 Combine like terms: 9.222222222 + 0.4444444442 = 9.6666666662 0.4444444442 + -1.333333333x + x2 = 9.6666666662 Factor a perfect square on the left side: (x + -0.6666666665)(x + -0.6666666665) = 9.6666666662 Calculate the square root of the right side: 3.109126351 Break this problem into two subproblems by setting (x + -0.6666666665) equal to 3.109126351 and -3.109126351.Subproblem 1
x + -0.6666666665 = 3.109126351 Simplifying x + -0.6666666665 = 3.109126351 Reorder the terms: -0.6666666665 + x = 3.109126351 Solving -0.6666666665 + x = 3.109126351 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.6666666665' to each side of the equation. -0.6666666665 + 0.6666666665 + x = 3.109126351 + 0.6666666665 Combine like terms: -0.6666666665 + 0.6666666665 = 0.0000000000 0.0000000000 + x = 3.109126351 + 0.6666666665 x = 3.109126351 + 0.6666666665 Combine like terms: 3.109126351 + 0.6666666665 = 3.7757930175 x = 3.7757930175 Simplifying x = 3.7757930175Subproblem 2
x + -0.6666666665 = -3.109126351 Simplifying x + -0.6666666665 = -3.109126351 Reorder the terms: -0.6666666665 + x = -3.109126351 Solving -0.6666666665 + x = -3.109126351 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.6666666665' to each side of the equation. -0.6666666665 + 0.6666666665 + x = -3.109126351 + 0.6666666665 Combine like terms: -0.6666666665 + 0.6666666665 = 0.0000000000 0.0000000000 + x = -3.109126351 + 0.6666666665 x = -3.109126351 + 0.6666666665 Combine like terms: -3.109126351 + 0.6666666665 = -2.4424596845 x = -2.4424596845 Simplifying x = -2.4424596845Solution
The solution to the problem is based on the solutions from the subproblems. x = {3.7757930175, -2.4424596845}
| 15x-14x+1=16 | | -25=n-10 | | 2.15= | | -4x+36=-8(x-4) | | x^2+2x+4=kx | | -9(x-3)=-4x-3 | | -5w-(-10w)+-7w=-16 | | 4a+4b-11=0 | | -3c-4c=16 | | -3w+1=16 | | 30-x+20=35 | | 15=a-388 | | n-z=n+sx | | -2(w-10)+3=7 | | 14+g=27 | | -[7x-(3x+3)]=-4-[3(3x-4)-3x] | | 4(w+2)+2=18 | | 6h-5h=16 | | 6(x+2)-3=8x | | -4v-5v=-8v-8 | | -5x=60*12 | | c=1.8c+32 | | 3b-5=13+b+2+6b | | 3c-(-2)=8 | | 7-2t=-11 | | 9(4x+5)+14= | | -24=-6s-8s | | -5x=180 | | a-a+a-1=5 | | 8+2d=14 | | 8(u+4)=3u+17 | | 4x+5+3x+68=180 |