If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Simplifying (-5c + -9)(7c + 9) = 9 Reorder the terms: (-9 + -5c)(7c + 9) = 9 Reorder the terms: (-9 + -5c)(9 + 7c) = 9 Multiply (-9 + -5c) * (9 + 7c) (-9(9 + 7c) + -5c * (9 + 7c)) = 9 ((9 * -9 + 7c * -9) + -5c * (9 + 7c)) = 9 ((-81 + -63c) + -5c * (9 + 7c)) = 9 (-81 + -63c + (9 * -5c + 7c * -5c)) = 9 (-81 + -63c + (-45c + -35c2)) = 9 Combine like terms: -63c + -45c = -108c (-81 + -108c + -35c2) = 9 Solving -81 + -108c + -35c2 = 9 Solving for variable 'c'. Reorder the terms: -81 + -9 + -108c + -35c2 = 9 + -9 Combine like terms: -81 + -9 = -90 -90 + -108c + -35c2 = 9 + -9 Combine like terms: 9 + -9 = 0 -90 + -108c + -35c2 = 0 Factor out the Greatest Common Factor (GCF), '-1'. -1(90 + 108c + 35c2) = 0 Ignore the factor -1.Subproblem 1
Set the factor '(90 + 108c + 35c2)' equal to zero and attempt to solve: Simplifying 90 + 108c + 35c2 = 0 Solving 90 + 108c + 35c2 = 0 Begin completing the square. Divide all terms by 35 the coefficient of the squared term: Divide each side by '35'. 2.571428571 + 3.085714286c + c2 = 0 Move the constant term to the right: Add '-2.571428571' to each side of the equation. 2.571428571 + 3.085714286c + -2.571428571 + c2 = 0 + -2.571428571 Reorder the terms: 2.571428571 + -2.571428571 + 3.085714286c + c2 = 0 + -2.571428571 Combine like terms: 2.571428571 + -2.571428571 = 0.000000000 0.000000000 + 3.085714286c + c2 = 0 + -2.571428571 3.085714286c + c2 = 0 + -2.571428571 Combine like terms: 0 + -2.571428571 = -2.571428571 3.085714286c + c2 = -2.571428571 The c term is 3.085714286c. Take half its coefficient (1.542857143). Square it (2.380408164) and add it to both sides. Add '2.380408164' to each side of the equation. 3.085714286c + 2.380408164 + c2 = -2.571428571 + 2.380408164 Reorder the terms: 2.380408164 + 3.085714286c + c2 = -2.571428571 + 2.380408164 Combine like terms: -2.571428571 + 2.380408164 = -0.191020407 2.380408164 + 3.085714286c + c2 = -0.191020407 Factor a perfect square on the left side: (c + 1.542857143)(c + 1.542857143) = -0.191020407 Can't calculate square root of the right side. The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined. The solution to this equation could not be determined.
| 5/4x-31/6 | | 5y+2(3y-14)=-3(y+8)+9 | | 2x+24=6x-8 | | 5n+4n+2=65+2n | | 2x+8-6=-2 | | (-9w-8)(-7w+6)=0 | | 4r^2-90=2r | | (4d-1)(d-3)=0 | | Log[2](4-5x)=4 | | 4q(4q+3)=0 | | 10+5k=25 | | 3x1/4=? | | (-9t-2)(-5t-2)=0 | | Y+5-5=12-5 | | 12-2x=36 | | 112+y+x+88=360 | | (-9p-2)(-5t-2)=0 | | graphx-9y=10 | | (-p+9)(-2p-5)=0 | | f+4=-2 | | (9s-2)(-7s-9)=0 | | 2w-8+6w=4w+16 | | X+7=7x-16 | | (1/10)x=(-3) | | 5x-11=7x-17 | | (-5j-7)(5j-2)=0 | | 120=(4+4x)(6+2x) | | -5x-2(4-3x)=11+x | | 3b1/2b4/3 | | 91-8x=x+29 | | 4pq(3-q)+2p(q-3)-7q(p-2pq)-2p(5q^2+3)=0 | | 13.9-2.5= |