Question

simplify (3√5-2√3)(3√5+2√3)​

Answer 1

Answer:

33

Step-by-step explanation:

(a+b) (a-b) = a^2-b^2

so here a is 3√5 and b is 2√3

u can solve this problem using this formula

so 3√5 ^2 - 2√3^2 =33

Answer 2

Answer:

33

Step-by-step explanation:

(3√5-2√3)(3√5+2√3)

=3√5*3√5+2√3*3√5-2√3*3√5-2√3*2√3

=3*3*5-2*2*3

=45-12

=33