mayglasper mayglasper
  • 21-11-2020
  • Mathematics
contestada

Please help me with this question asap

Please help me with this question asap class=

Respuesta :

fabiha07 fabiha07
  • 21-11-2020

Answer:

156 for the first, 14 for the second

Step-by-step explanation:

x = -5 y=4

Plug in (first equation)

(4(4))^2 - (2(-5))^2

(16)^2 - (-10)^2

256-100

156

Second Equation

4y^2-2x^2

Plug in

4(4)^2 - 2(-5)^2

4(16) - 2(25)

64-50

14

Parenthesis make a huge difference

Hope this helps =D

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