If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 7x2 = 4x + -1 Reorder the terms: 7x2 = -1 + 4x Solving 7x2 = -1 + 4x Solving for variable 'x'. Reorder the terms: 1 + -4x + 7x2 = -1 + 4x + 1 + -4x Reorder the terms: 1 + -4x + 7x2 = -1 + 1 + 4x + -4x Combine like terms: -1 + 1 = 0 1 + -4x + 7x2 = 0 + 4x + -4x 1 + -4x + 7x2 = 4x + -4x Combine like terms: 4x + -4x = 0 1 + -4x + 7x2 = 0 Begin completing the square. Divide all terms by 7 the coefficient of the squared term: Divide each side by '7'. 0.1428571429 + -0.5714285714x + x2 = 0 Move the constant term to the right: Add '-0.1428571429' to each side of the equation. 0.1428571429 + -0.5714285714x + -0.1428571429 + x2 = 0 + -0.1428571429 Reorder the terms: 0.1428571429 + -0.1428571429 + -0.5714285714x + x2 = 0 + -0.1428571429 Combine like terms: 0.1428571429 + -0.1428571429 = 0.0000000000 0.0000000000 + -0.5714285714x + x2 = 0 + -0.1428571429 -0.5714285714x + x2 = 0 + -0.1428571429 Combine like terms: 0 + -0.1428571429 = -0.1428571429 -0.5714285714x + x2 = -0.1428571429 The x term is -0.5714285714x. Take half its coefficient (-0.2857142857). Square it (0.08163265305) and add it to both sides. Add '0.08163265305' to each side of the equation. -0.5714285714x + 0.08163265305 + x2 = -0.1428571429 + 0.08163265305 Reorder the terms: 0.08163265305 + -0.5714285714x + x2 = -0.1428571429 + 0.08163265305 Combine like terms: -0.1428571429 + 0.08163265305 = -0.06122448985 0.08163265305 + -0.5714285714x + x2 = -0.06122448985 Factor a perfect square on the left side: (x + -0.2857142857)(x + -0.2857142857) = -0.06122448985 Can't calculate square root of the right side. The solution to this equation could not be determined.
| 10-8/2+3 | | 10-2/2+3 | | 2(x-2)=3(x-2) | | (7a-b)(a+8b)= | | 2/3-4j/6 | | sqrt(8x-1)=15 | | 12a^3-a^2=35a | | -7y-15=2y+12 | | 5/3w-7/5=-w+4/3 | | 7r+2r=42r+7 | | (v-11)11= | | 45-[4-2T-shirt(y+7)]=-4(1+3y)-[4-3(y+2)-2(2y-5)] | | 45-[4-2T-shirt(y+7)]=-4(1+3y)-[4-3(y+2)-2(2T-shirt)] | | 4a^2+8ab-21b^2= | | 9x+5=-7+7x+20 | | 7/9/2/3 | | 0.3x-0.75=0.83x+0.5 | | 231/3 | | 0.125x-65=0 | | 6x+6+x=1+3x+1 | | 0.3333x-0.75=0.83333x+0.5 | | -8n=-64n | | 7x+10/7=x+2 | | r(c-4)+t(c-4)= | | -6w+5/4=-5/3w-2/3 | | 8x-9y-5=0 | | ((x+1)/2)-((x+1)/(x+2))=0 | | x/16=-18 | | 5-2x=-2x+3 | | 4-4s+s^2=0 | | 17+0.7x=22+0.5x | | 49s^2-126s+81=0 |