If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 49x2 + 90x + 4000 = 0 Reorder the terms: 4000 + 90x + 49x2 = 0 Solving 4000 + 90x + 49x2 = 0 Solving for variable 'x'. Begin completing the square. Divide all terms by 49 the coefficient of the squared term: Divide each side by '49'. 81.63265306 + 1.836734694x + x2 = 0 Move the constant term to the right: Add '-81.63265306' to each side of the equation. 81.63265306 + 1.836734694x + -81.63265306 + x2 = 0 + -81.63265306 Reorder the terms: 81.63265306 + -81.63265306 + 1.836734694x + x2 = 0 + -81.63265306 Combine like terms: 81.63265306 + -81.63265306 = 0.00000000 0.00000000 + 1.836734694x + x2 = 0 + -81.63265306 1.836734694x + x2 = 0 + -81.63265306 Combine like terms: 0 + -81.63265306 = -81.63265306 1.836734694x + x2 = -81.63265306 The x term is 1.836734694x. Take half its coefficient (0.918367347). Square it (0.8433985840) and add it to both sides. Add '0.8433985840' to each side of the equation. 1.836734694x + 0.8433985840 + x2 = -81.63265306 + 0.8433985840 Reorder the terms: 0.8433985840 + 1.836734694x + x2 = -81.63265306 + 0.8433985840 Combine like terms: -81.63265306 + 0.8433985840 = -80.789254476 0.8433985840 + 1.836734694x + x2 = -80.789254476 Factor a perfect square on the left side: (x + 0.918367347)(x + 0.918367347) = -80.789254476 Can't calculate square root of the right side. The solution to this equation could not be determined.
| .5*.5*.5*.5*.5*.5*.5*.5*.5= | | x(x+2)=44 | | 25220+0.5a=10950 | | 45y=5 | | x/6+42=54 | | 1/2=1 | | x/6+62=54 | | 2r^2+12r-7+10r^2-9r+5+r-1= | | 8b^3+6b^3-2b^3-6b^3= | | 12x^2+4x-3=0 | | k+12=32 | | (1-u)(3u+7)=0 | | 3p^2+16p+16=0 | | 0=2y^3+3y^2-8y-12 | | 0=2y^3+5y^2-5y-1 | | x^2+x-13=0 | | 7(6x+5)= | | 31=-7x-4 | | 6-9x+7+5x+5x-3=9+2*3 | | -6+-5=5x+5-5 | | -16+-5x=0 | | 5t-28=-52+9t | | 3z-17=-1+z | | -3*-3*-3-6(3)= | | -4-23-(13)+(-14)= | | 0.2n=10 | | -11=5x | | 14x-21= | | 12x^3-20x^2-147x+245= | | 5+-6x+6+5x+2x-2=6+2*4 | | 27x^3+125= | | 2x^3+9=x^2+18x |