Question

a) √2 - √75 + √3 =
b) 3√20 + √32 - 2√45 + √50 =

Answer 1

A) √2 - √75 + √3
=√2-√3*5²+√3
=√2-5√3+√3
=√2-2√3

b) 3√20 + √32 - 2√45 + √50
=3√5*2²+√2*4²-2√5*3²+√2*5²
=3*2√5+4√2-2*3√5+5√2
=6√5+4√2-6√5+5√2
=9√2