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 = 11 Reorder the terms: 4 + -12x + 9x2 = 11 Solving 4 + -12x + 9x2 = 11 Solving for variable 'x'. Reorder the terms: 4 + -11 + -12x + 9x2 = 11 + -11 Combine like terms: 4 + -11 = -7 -7 + -12x + 9x2 = 11 + -11 Combine like terms: 11 + -11 = 0 -7 + -12x + 9x2 = 0 Begin completing the square. Divide all terms by 9 the coefficient of the squared term: Divide each side by '9'. -0.7777777778 + -1.333333333x + x2 = 0 Move the constant term to the right: Add '0.7777777778' to each side of the equation. -0.7777777778 + -1.333333333x + 0.7777777778 + x2 = 0 + 0.7777777778 Reorder the terms: -0.7777777778 + 0.7777777778 + -1.333333333x + x2 = 0 + 0.7777777778 Combine like terms: -0.7777777778 + 0.7777777778 = 0.0000000000 0.0000000000 + -1.333333333x + x2 = 0 + 0.7777777778 -1.333333333x + x2 = 0 + 0.7777777778 Combine like terms: 0 + 0.7777777778 = 0.7777777778 -1.333333333x + x2 = 0.7777777778 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 = 0.7777777778 + 0.4444444442 Reorder the terms: 0.4444444442 + -1.333333333x + x2 = 0.7777777778 + 0.4444444442 Combine like terms: 0.7777777778 + 0.4444444442 = 1.222222222 0.4444444442 + -1.333333333x + x2 = 1.222222222 Factor a perfect square on the left side: (x + -0.6666666665)(x + -0.6666666665) = 1.222222222 Calculate the square root of the right side: 1.105541597 Break this problem into two subproblems by setting (x + -0.6666666665) equal to 1.105541597 and -1.105541597.Subproblem 1
x + -0.6666666665 = 1.105541597 Simplifying x + -0.6666666665 = 1.105541597 Reorder the terms: -0.6666666665 + x = 1.105541597 Solving -0.6666666665 + x = 1.105541597 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 = 1.105541597 + 0.6666666665 Combine like terms: -0.6666666665 + 0.6666666665 = 0.0000000000 0.0000000000 + x = 1.105541597 + 0.6666666665 x = 1.105541597 + 0.6666666665 Combine like terms: 1.105541597 + 0.6666666665 = 1.7722082635 x = 1.7722082635 Simplifying x = 1.7722082635Subproblem 2
x + -0.6666666665 = -1.105541597 Simplifying x + -0.6666666665 = -1.105541597 Reorder the terms: -0.6666666665 + x = -1.105541597 Solving -0.6666666665 + x = -1.105541597 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 = -1.105541597 + 0.6666666665 Combine like terms: -0.6666666665 + 0.6666666665 = 0.0000000000 0.0000000000 + x = -1.105541597 + 0.6666666665 x = -1.105541597 + 0.6666666665 Combine like terms: -1.105541597 + 0.6666666665 = -0.4388749305 x = -0.4388749305 Simplifying x = -0.4388749305Solution
The solution to the problem is based on the solutions from the subproblems. x = {1.7722082635, -0.4388749305}
| 19t-11t+9=-7 | | -2x^2+11x+21= | | 0.285(3r+4)=10 | | 2+8-4=28 | | 4(8-9f)=-21 | | 14x(2x+3)-6x(5-7x)= | | 18x+115x-12=19(7x+11) | | 2u+4-2(-9u-4)=2(u-1) | | (2x+5)+(3x-10)=10 | | 4.1+-8.1m=11 | | 20g-13g=14 | | 23+8-4m=28 | | (3x+10)(6x^2-7x)=0 | | -6p+12p-20p=14 | | 5x^4-60x^3+25=0 | | i-14=36 | | -7(-1-6x)=-30+5x | | s-6= | | 2n-3n+9= | | -2(4-6x)=-80 | | 5x-(x-3)=3x+6-5 | | 18=6-(-3s) | | 10.00+3.00=55 | | 7x+x=21 | | 3(2b-6)+2b=6 | | 6x+18x-8=6(4x+1) | | 4(y+6)=4 | | 11v-9v+5v+3v=10 | | 47+7+3a=66 | | 20-7z=8(2z+5) | | 5x+9x(x-5)= | | -12+2v=4 |