If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 7d2 + 2d + 9 = 0 Reorder the terms: 9 + 2d + 7d2 = 0 Solving 9 + 2d + 7d2 = 0 Solving for variable 'd'. Begin completing the square. Divide all terms by 7 the coefficient of the squared term: Divide each side by '7'. 1.285714286 + 0.2857142857d + d2 = 0 Move the constant term to the right: Add '-1.285714286' to each side of the equation. 1.285714286 + 0.2857142857d + -1.285714286 + d2 = 0 + -1.285714286 Reorder the terms: 1.285714286 + -1.285714286 + 0.2857142857d + d2 = 0 + -1.285714286 Combine like terms: 1.285714286 + -1.285714286 = 0.000000000 0.000000000 + 0.2857142857d + d2 = 0 + -1.285714286 0.2857142857d + d2 = 0 + -1.285714286 Combine like terms: 0 + -1.285714286 = -1.285714286 0.2857142857d + d2 = -1.285714286 The d term is 0.2857142857d. Take half its coefficient (0.1428571429). Square it (0.02040816328) and add it to both sides. Add '0.02040816328' to each side of the equation. 0.2857142857d + 0.02040816328 + d2 = -1.285714286 + 0.02040816328 Reorder the terms: 0.02040816328 + 0.2857142857d + d2 = -1.285714286 + 0.02040816328 Combine like terms: -1.285714286 + 0.02040816328 = -1.26530612272 0.02040816328 + 0.2857142857d + d2 = -1.26530612272 Factor a perfect square on the left side: (d + 0.1428571429)(d + 0.1428571429) = -1.26530612272 Can't calculate square root of the right side. The solution to this equation could not be determined.
| -5x+4x-8x= | | (2x-4)+(2x-6)=1 | | 5k+-7=-52 | | -8(x+4)=-8x-32 | | 3n+25=-5(n-5)+8n | | 14+28x=35+21x | | 5x+25=7 | | (-0.7)(-0.7)+21-(1.5)(3)= | | 2(2x+1)-1=(x+4) | | 5x+25=128 | | f(x)=ln(x+4) | | 6y-8x=-2 | | -p+2=-2(p-2) | | 12m+2n-m= | | -4*2+7=-5*2+9 | | 4x+6.82=3x+13.69 | | 11x=8x-3(-2x) | | 3t*2= | | 2+5h=10+3h | | 3x^2-150x=0 | | -4*2=-5*2+9 | | 3(2x-14)+x=15-(-9-5) | | (32)x+5=128 | | 4*b+4= | | 2x+16.50=8.26 | | -(k-2)=-3 | | 5(a-1)-15=3(a-2)+4 | | 6.24-(-4.3)= | | x+1=-x+1 | | -8-8f=-64 | | -5r+2(8r+8)=5r-20 | | 10m+8=12+2m+4(m+5) |