Question

Evaluate (5n)^2 + (2n-3m)^2 for m=-3 and n=-2.

A) 269

B) 189

C) 125

D) 46

Please solve

Answer 1

I got 125 ( answer c)

Answer 2

(5n)^2 + (2n-3m)^2 = (5*(-2))^2 + (2*(-2)-3*(-3))^2

= (-10)^2 + (-4+9)^2

= 100 + (5)^2

= 100 + 25

= 125

(C) 125