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Simplifying 5x2 + 2 = 6x Reorder the terms: 2 + 5x2 = 6x Solving 2 + 5x2 = 6x Solving for variable 'x'. Reorder the terms: 2 + -6x + 5x2 = 6x + -6x Combine like terms: 6x + -6x = 0 2 + -6x + 5x2 = 0 Begin completing the square. Divide all terms by 5 the coefficient of the squared term: Divide each side by '5'. 0.4 + -1.2x + x2 = 0 Move the constant term to the right: Add '-0.4' to each side of the equation. 0.4 + -1.2x + -0.4 + x2 = 0 + -0.4 Reorder the terms: 0.4 + -0.4 + -1.2x + x2 = 0 + -0.4 Combine like terms: 0.4 + -0.4 = 0.0 0.0 + -1.2x + x2 = 0 + -0.4 -1.2x + x2 = 0 + -0.4 Combine like terms: 0 + -0.4 = -0.4 -1.2x + x2 = -0.4 The x term is -1.2x. Take half its coefficient (-0.6). Square it (0.36) and add it to both sides. Add '0.36' to each side of the equation. -1.2x + 0.36 + x2 = -0.4 + 0.36 Reorder the terms: 0.36 + -1.2x + x2 = -0.4 + 0.36 Combine like terms: -0.4 + 0.36 = -0.04 0.36 + -1.2x + x2 = -0.04 Factor a perfect square on the left side: (x + -0.6)(x + -0.6) = -0.04 Can't calculate square root of the right side. The solution to this equation could not be determined.
| 3d+2=39 | | 4r-11=33 | | b+7=5b-45 | | 8x^2=6x-4 | | G=3(-2)2-5(-2) | | 300/180=100/x | | 8x^2+2=6x | | 8(x-5)=8(x+7) | | 21=3/5w | | 6n+2=40 | | 9x^2+3=327 | | 2(2x-4)=-2(4+x) | | 3.1=-4.4+3w | | 0.25(x+16)=6 | | Cos37=7/x | | 4-15=z/11 | | -8(x+4)=32 | | 7(t-5)=2 | | 4y-56=2y | | 5=-5(g-7) | | 4(2x-7)+33=-8(x-3)+13x-16 | | 51/14/15/10=x/1.5 | | 8b-68=10b-90 | | 5u=6 | | a/4=3=10 | | k-17=10 | | 6(c+9)=9 | | a+64=3a-40 | | -15=-3-3x | | y^2+13y=40 | | https://upload.wikimedia.org/wikipedia/commons/thumb/c/c4/Quadratic_formula.svg/1280px-Quadratic_formula.svg.png | | log(1/2)1 |
