Which expression is equivalent to 3 square root of 50 times square root of 22

30

Step-by-step explanation:

Using the rule of radicals

× ⇔

Simplifying 3

= 3( )

= 3(5 )

= 15

Thus

3 ×

= 15 ×

= 15 ×

= 15 ×

= 15 ×

= 15 × 2

= 30

-10i^2-4i

step-by-step explanation:

evaluate for p=2,q=5i

(2−4)(2+5i)i

(2−4)(2+5i)i

=−10i2−4i