If it's not what You are looking for type in the equation solver your own equation and let us solve it.
(-4x-9)^2=16x^2
We move all terms to the left:
(-4x-9)^2-(16x^2)=0
determiningTheFunctionDomain -16x^2+(-4x-9)^2=0
| 10x-6=4x-5-3x | | (x+42)+(2x-6)+x=180 | | 3x-10=(x^2)-20 | | 1•2x-3=3•2x+4 | | -5(-8-x)=65 | | 8x+11=88 | | 7-{4+2(a-3)}=11(a+2) | | 2t^2+4t+9=0 | | 4.9x^2=10 | | x+13=132 | | 36x2-48x+14=0 | | 7(6-5x)=-343 | | 2-x=10+3x | | (1/3)^4x=81 | | (x+42)+(2x-6)x=180 | | H(t)=-16t^2+39t+5.4 | | 7+7w=-3-3w+9w | | 2(x-8)=9x+47 | | -16-12d=2-11d | | -5x+1+3=6-(4x-3) | | 6x=20+10 | | 14-6v=-7v+8 | | -5w+3(w+5)=17 | | 3(x^2–6x)+21=0 | | 3x−5(x+6)=−2x−14 | | -4u-4u-6=10-6u | | a=700/4 | | 5x-11=16-4x | | 13/2(x-5)=3/2x+15/6 | | -6+13x=10x+6 | | 4(x−3)+3(x+2)=2(4x−5)−(x−4)4x−12+3x+6=8x−10−x+4 | | 7x+5=-35+2x |