ASAP Please solve this (pic included)
@mathstudent55
can you tell me : \[a(b+c)=?\]
\(\bf 2\sqrt{3}(\sqrt{2}+\sqrt{3}) \implies (2\sqrt{3} \times \sqrt{2})+(2\sqrt{3} \times \sqrt{3})\)
@jdoe0001 which one is it
well, just multiply them, coefficient with coefficient, and same root with same root \(\bf a\sqrt{n} \times b\sqrt{m} \implies (a\times b)\sqrt{n\times m}\)
so its D right? @jdoe0001
well, multiply them and you'll see what you'd get
let's try the 1st set \(\bf (2\sqrt{3} \times \sqrt{2})\) what does that give you?
2√6
4+√7*5+√7
can you teach me how to break that down and multiply @jdoe0001
well, \(\bf 2\sqrt{6}\) is correct, what about the 2nd set \(\bf (2\sqrt{3} \times \sqrt{3})\)
2√9 @jdoe0001
@mathstudent55
the distribution is correct, all terms are right now on the simplification, the 2nd term is off \(\bf -40\sqrt{5}\color{red}{-20\sqrt{15}}+2\sqrt{3}+3\)
that one comes from the simplification of \(\bf -5\sqrt{60}\\ \color{blue}{\text{factors of 60 are 2, 2, 3, 5, 1}\\\ 2\times 2\times 3\times 5\times 1 =60\\ 2^2\times 3\times 5\times 1 =60\\} -5\sqrt{2^2\times 3\times 5}\\ -5(2)\sqrt{3\times 5} \implies -10\sqrt{15}\)
@jdoe0001
Join our real-time social learning platform and learn together with your friends!