# algebra

posted by
**anthony**
.

Simplify: sqrt (21) (sqrt(7) + sqrt(3))

a) 7 sqrt (3) + 3 sqrt(7)

b) 7 sqrt(3) + sqrt (3)

c) sqrt (210)

d) sqrt (147) + sqrt (63)''.

a

posted by
**anthony**
.

Simplify: sqrt (21) (sqrt(7) + sqrt(3))

a) 7 sqrt (3) + 3 sqrt(7)

b) 7 sqrt(3) + sqrt (3)

c) sqrt (210)

d) sqrt (147) + sqrt (63)''.

a