If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying 9 + 42d = 49d2 Solving 9 + 42d = 49d2 Solving for variable 'd'. Combine like terms: 49d2 + -49d2 = 0 9 + 42d + -49d2 = 0 Begin completing the square. Divide all terms by -49 the coefficient of the squared term: Divide each side by '-49'. -0.1836734694 + -0.8571428571d + d2 = 0 Move the constant term to the right: Add '0.1836734694' to each side of the equation. -0.1836734694 + -0.8571428571d + 0.1836734694 + d2 = 0 + 0.1836734694 Reorder the terms: -0.1836734694 + 0.1836734694 + -0.8571428571d + d2 = 0 + 0.1836734694 Combine like terms: -0.1836734694 + 0.1836734694 = 0.0000000000 0.0000000000 + -0.8571428571d + d2 = 0 + 0.1836734694 -0.8571428571d + d2 = 0 + 0.1836734694 Combine like terms: 0 + 0.1836734694 = 0.1836734694 -0.8571428571d + d2 = 0.1836734694 The d term is -0.8571428571d. Take half its coefficient (-0.4285714286). Square it (0.1836734694) and add it to both sides. Add '0.1836734694' to each side of the equation. -0.8571428571d + 0.1836734694 + d2 = 0.1836734694 + 0.1836734694 Reorder the terms: 0.1836734694 + -0.8571428571d + d2 = 0.1836734694 + 0.1836734694 Combine like terms: 0.1836734694 + 0.1836734694 = 0.3673469388 0.1836734694 + -0.8571428571d + d2 = 0.3673469388 Factor a perfect square on the left side: (d + -0.4285714286)(d + -0.4285714286) = 0.3673469388 Calculate the square root of the right side: 0.606091527 Break this problem into two subproblems by setting (d + -0.4285714286) equal to 0.606091527 and -0.606091527.Subproblem 1
d + -0.4285714286 = 0.606091527 Simplifying d + -0.4285714286 = 0.606091527 Reorder the terms: -0.4285714286 + d = 0.606091527 Solving -0.4285714286 + d = 0.606091527 Solving for variable 'd'. Move all terms containing d to the left, all other terms to the right. Add '0.4285714286' to each side of the equation. -0.4285714286 + 0.4285714286 + d = 0.606091527 + 0.4285714286 Combine like terms: -0.4285714286 + 0.4285714286 = 0.0000000000 0.0000000000 + d = 0.606091527 + 0.4285714286 d = 0.606091527 + 0.4285714286 Combine like terms: 0.606091527 + 0.4285714286 = 1.0346629556 d = 1.0346629556 Simplifying d = 1.0346629556Subproblem 2
d + -0.4285714286 = -0.606091527 Simplifying d + -0.4285714286 = -0.606091527 Reorder the terms: -0.4285714286 + d = -0.606091527 Solving -0.4285714286 + d = -0.606091527 Solving for variable 'd'. Move all terms containing d to the left, all other terms to the right. Add '0.4285714286' to each side of the equation. -0.4285714286 + 0.4285714286 + d = -0.606091527 + 0.4285714286 Combine like terms: -0.4285714286 + 0.4285714286 = 0.0000000000 0.0000000000 + d = -0.606091527 + 0.4285714286 d = -0.606091527 + 0.4285714286 Combine like terms: -0.606091527 + 0.4285714286 = -0.1775200984 d = -0.1775200984 Simplifying d = -0.1775200984Solution
The solution to the problem is based on the solutions from the subproblems. d = {1.0346629556, -0.1775200984}
| 3+4r-2=9r+10-4r | | 5w-4=5(w+6) | | x^2-3=15 | | -7x+9=58 | | (x+10)3=(8x) | | 10x+6x+2x=0 | | -7x^4+x^6=0 | | 6m+7m=26 | | 8x+11=6x+65 | | 8+f=-20 | | 9+(4x)=(2x)-15 | | 3(5x-4)+2x=-22+7x | | 176-3x=33x+20 | | 3x+7x+2= | | 3g-1=14 | | 12-8x=105-29x | | 50-3x=(7x)+80 | | -y(4+3-5)=510 | | 2x+5+x+3=36 | | 11x=13.5 | | c+(3c-6)=42 | | 5x=6253125 | | 6t^2-7t-20=0 | | 115-4x=6x-5 | | c=400x+30000 | | 60x(x^2-16)=0 | | -6(4b+1)+(25b-1)=0 | | 5x+2=3x-22 | | 25y+5=105 | | -7k-14=-7(-8k-7) | | -n=2(n-3) | | 4x-37+x+(x+22)=777 |