If it's not what You are looking for type in the equation solver your own equation and let us solve it.
0.3(3+x)^2=2.7x^2
We move all terms to the left:
0.3(3+x)^2-(2.7x^2)=0
We add all the numbers together, and all the variables
0.3(x+3)^2-(2.7x^2)=0
We get rid of parentheses
-2.7x^2+0.3(x+3)^2=0
| 7-8m=57 | | 1/2(y-6)=1/3(y+1) | | 3x-12=5x-16 | | 2y-4y=-6 | | y=2/7(23) | | 6z=144 | | 5x+4/4=x/3 | | 3(3a+2)+2(4a+2)=44 | | x+14(x-6)=30 | | 15x+2x=1000 | | 9a=414 | | 3(3a+2)+2(4a+2=44 | | 7n=308 | | 2a+-15+12=17 | | 2x^-1=0 | | z+78=7z | | F(x)=30-10x | | 3.5m+8.5=40 | | 109=k10 | | 2(x-5)=3((x+3) | | 7c=c+54 | | 14n-8=-12n-8 | | a2+3×-5+12=17 | | x2+6x+11=0 | | 9v-5=15v+19-2v | | 10(n-6)=14 | | 8n=511 | | 6=3y+3(y-y | | 8n=511 | | -20-r=3r | | 6(-4+v)=-2v+8 | | −6x=90 |