Question

2 sqrt 5 + 3 sqrt 7^2

Answer 1

is this your question ?
\[2\sqrt{5}+3\sqrt{7^2}\]

Answer 2

let me rewrite (2 sqrt 5 + 3 sqrt 7)^2

Answer 3

\[(2\sqrt{5}+3\sqrt{7})^2\]
Exapand using the formula
(a+b)^2

Answer 4

>.< erg i hate math it tells me to justify each step >.<

Answer 5

\[(a+b)^2=(a)^2+2(a)(b)+(b)^2\]
can you substitute a and b here
\[a=2\sqrt{5} \ \ b=3\sqrt{7}\]

Answer 6

\[(2\sqrt{5})^2+2 \times 2\sqrt{5} \times 3\sqrt{7}+(3\sqrt{7})^2\]

Answer 7

\[(2\sqrt{5}+3\sqrt{7})^2\]
this is of the form \[(a+b)^2\]Did you understand this?

Answer 8

yes

Answer 9

Here
\[a=2\sqrt{5} \ \ b=3\sqrt{7}\]

Answer 10

understood?

Answer 11

yea i got it thanks

Answer 12

sure?

Answer 13

yep thanks so much

Answer 14

Welcome