If it's not what You are looking for type in the equation solver your own equation and let us solve it.
45x^21=45x(20+1)
We move all terms to the left:
45x^21-(45x(20+1))=0
We do not support expression: x^21
| 2(3c-2)=14 | | 12*4^x=96 | | (1.8*10^-5)/0.2=x^2 | | 0,3x+0,8=12-5x | | x•2-4=24 | | y=3.5=12.4 | | 6x2+15x+6=0 | | 7x+14=11x-6 | | 4+1/2x)+x=10 | | 2x+10=6xx=2 | | y^{4}-4y^{3}+8y^{2}-8y^{1}+4y=0 | | 2x/18=1 | | 7+(6x25+3)=0 | | 8y-50=90-9y | | 2x/18-2=1 | | 2x+10=6xx=5/2 | | 2/5(10x-20)=-44 | | 5x-3+x=2x+7 | | 20x-50+2x+10=180 | | 3x+16=2x+50 | | 12-10i=0 | | (25x)(36x-15)=180 | | x-1.25(x)-1.25=0 | | p×11.2=3/4×22.4 | | 100000*1.01^x=10000000 | | 100000*1.01^x=1000000 | | 6=-16x^+24x+1 | | X=-5p+100 | | 3x*4x=60 | | 4w+15=42-⁵w | | 7x+5/4x=2 | | 4(x+3)-5=2x+4 |