math2
posted by jasmine .
how to solve 2[5a3(4ab)]4[8b+5(a2b)]

there's nothing to solve
If you want to simplify the expression, then it comes out
2[5a3(4ab)]4[8b+5(a2b)]
2[5a(12a3b)]4[8b+(5a10b)]
2[5a  12a + 3b]  4[8b + 5a  10b]
2[7a+3b]4[5a2b]
14a+6b20a+8b
34a+14b