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Simplifying -9x2 + 12x = 7 Reorder the terms: 12x + -9x2 = 7 Solving 12x + -9x2 = 7 Solving for variable 'x'. Reorder the terms: -7 + 12x + -9x2 = 7 + -7 Combine like terms: 7 + -7 = 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 = -0.3333333336 0.4444444442 + -1.333333333x + x2 = -0.3333333336 Factor a perfect square on the left side: (x + -0.6666666665)(x + -0.6666666665) = -0.3333333336 Can't calculate square root of the right side. The solution to this equation could not be determined.
| 9/7-1/3 | | 102+100+92+(5x+16)=360 | | 18-4x=-14 | | x^2+10=880 | | 0.032/-0.08 | | 5b^2-8b-8=0 | | -9/4x-8x-7x=x | | -2/9u=-14 | | 86+x+2x+10=180 | | 3x^2-3x-40=0 | | 38-(5x)=20+4 | | c^2-16c+64-25d^2= | | 3+31+(11x+11)=360 | | 2=18/w | | 36n^2=49 | | 1.6=1.6 | | 2r+45=3r+10 | | X/20=y | | 7x-2=4(X+I) | | 4/9x^2-16= | | 38-5x=20+4 | | X+-5=0 | | 12w+6= | | 2c+2= | | 38-5x=20+4x | | 81=x^1/2 | | https://content.thinkthroughmath.com/uploads/image/image/284393/AL02PQ2787S-caf05bd09ba3265a37621c00f70b4ace-6bbf54045ef86b4d3d0be1e996778c4e.png | | 96/v=6 | | 81=(x^1/2/8) | | 10oa=16a-12 | | 7(2x-1)-3=6+6x | | 119+90+90+(2x+3)=360 |
