smithalaira640 smithalaira640
  • 25-09-2020
  • Mathematics
contestada

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

A) 269

B) 189

C) 125

D) 46

Please solve

Respuesta :

winnerofferly
winnerofferly winnerofferly
  • 25-09-2020

(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

Answer Link
misshambone2004
misshambone2004 misshambone2004
  • 25-09-2020
I got 125 ( answer c)
Answer Link

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