Question

pls solve this for 20 points ​

Answer 1

Step-by-step explanation:

(25^2 -15^2)^3/2

= (625-225)^3/2

=400^3/2

Answer 2

Answer:

Given,

2

x

−1=

3

x

+4

⇒

2

x

−

3

x

=4+1

⇒

6

(3x−2x)

=5

⇒

6

x

=5

⇒ x=30.