mishaarisha0 mishaarisha0
  • 25-10-2021
  • Mathematics
contestada

What is the value of (m- n)(n+ m) when m=3 and n= 4?

Respuesta :

Аноним Аноним
  • 25-10-2021

Answer:

[tex]\boxed{-7}[/tex]

Step-by-step explanation:

[tex]\sf (m- n)(n+ m)[/tex]

[tex]\sf m=3[/tex]

[tex]\sf n=4[/tex]

___________________

[tex]\sf \left(3-4\right)\left(4+3\right)[/tex]

Follow PEMDAS operations:

[tex]\sf \left(3-4\right)[/tex]

[tex]\sf =-1[/tex]

[tex]\sf \left(4+3\right)[/tex]

[tex]\sf =7[/tex]

[tex]-1\times \:7[/tex]

[tex]\sf =-7[/tex]

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