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 + -16 = 0 Reorder the terms: -16 + 12x + 9x2 = 0 Solving -16 + 12x + 9x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 9 the coefficient of the squared term: Divide each side by '9'. -1.777777778 + 1.333333333x + x2 = 0 Move the constant term to the right: Add '1.777777778' to each side of the equation. -1.777777778 + 1.333333333x + 1.777777778 + x2 = 0 + 1.777777778 Reorder the terms: -1.777777778 + 1.777777778 + 1.333333333x + x2 = 0 + 1.777777778 Combine like terms: -1.777777778 + 1.777777778 = 0.000000000 0.000000000 + 1.333333333x + x2 = 0 + 1.777777778 1.333333333x + x2 = 0 + 1.777777778 Combine like terms: 0 + 1.777777778 = 1.777777778 1.333333333x + x2 = 1.777777778 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 = 1.777777778 + 0.4444444442 Reorder the terms: 0.4444444442 + 1.333333333x + x2 = 1.777777778 + 0.4444444442 Combine like terms: 1.777777778 + 0.4444444442 = 2.2222222222 0.4444444442 + 1.333333333x + x2 = 2.2222222222 Factor a perfect square on the left side: (x + 0.6666666665)(x + 0.6666666665) = 2.2222222222 Calculate the square root of the right side: 1.490711985 Break this problem into two subproblems by setting (x + 0.6666666665) equal to 1.490711985 and -1.490711985.Subproblem 1
x + 0.6666666665 = 1.490711985 Simplifying x + 0.6666666665 = 1.490711985 Reorder the terms: 0.6666666665 + x = 1.490711985 Solving 0.6666666665 + x = 1.490711985 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 = 1.490711985 + -0.6666666665 Combine like terms: 0.6666666665 + -0.6666666665 = 0.0000000000 0.0000000000 + x = 1.490711985 + -0.6666666665 x = 1.490711985 + -0.6666666665 Combine like terms: 1.490711985 + -0.6666666665 = 0.8240453185 x = 0.8240453185 Simplifying x = 0.8240453185Subproblem 2
x + 0.6666666665 = -1.490711985 Simplifying x + 0.6666666665 = -1.490711985 Reorder the terms: 0.6666666665 + x = -1.490711985 Solving 0.6666666665 + x = -1.490711985 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 = -1.490711985 + -0.6666666665 Combine like terms: 0.6666666665 + -0.6666666665 = 0.0000000000 0.0000000000 + x = -1.490711985 + -0.6666666665 x = -1.490711985 + -0.6666666665 Combine like terms: -1.490711985 + -0.6666666665 = -2.1573786515 x = -2.1573786515 Simplifying x = -2.1573786515Solution
The solution to the problem is based on the solutions from the subproblems. x = {0.8240453185, -2.1573786515}
| -5[3n+5]=20 | | 5+55x=33x+17 | | n(1-2n)+3n(1+n)= | | -2[z+11]=6 | | 4+x-x^3=x | | 4b-1=19 | | 9x^2+12x-26=0 | | 3[7-2y]=9 | | 4[x+5]=16 | | 3[x+1]=6 | | x^2-3x+1=x | | 2a(a-3)+a(3a-1)= | | 76=3x+16 | | 2x-3y+z=15 | | 32=e+15 | | 2x+155=4x+65 | | -2=r-17 | | 5x+25=90 | | 13x+8y=100 | | 400=8 | | 22=2l-2 | | t=45p+30 | | 0=4(4t^2-t-120) | | 2x^2+y=4x-3 | | 5x+3x+2x= | | 177=59-x | | -y=x^2+10x+12 | | 2x^2-13x-189=0 | | 5y+2-12=4y+4-2 | | 2xln(x)+3(x-1)=0 | | log(5x-11)=2 | | x^4+2x^3+21x^2-28=0 |