$$\\(a+2b)^5=(2b)^5+5*(2b)^4*a+10*(2b)^3*a^2+10*(2b)^2*a^3+5*(2b)*a^4+a^5\\\\$$
I have done this with a binomial expansion. You can simplify it yourself
If you have questions then ask away
Can you cut and paste the address please Radix so that I can go straight to it ?
Thanks Radix, I like this
Radix has taken me to a page where students can practice finding the gradient of the line joining 2 points.
This would be a really good practice page for anyone studying linear equations.
I will certainly subject my private students to this.
Thanks Radix