Question

sqrt 7a + 2sqrt 175a^3

Answer 1

Is this =0?

Answer 2

or is it to be factored?

Answer 3

sqrt 7a + 2sqrt 175a^3= simplify

Answer 4

if so
= sqrt7a + 2* sqrt7 sqrt25 a^3
= sqrt7 a + 10 sqrt7 a^3
= sqrt7a(1 + 10a^2)

Answer 5

i have assumed that the square roots refer only to the numbers

Answer 6

i do not know these things confuse me

Answer 7

probably refer only to numbers otherwise if they referred to letters as well they would have been written as sqrt (7a)

Answer 8

thanks