Respuesta :
Answer:
[tex]4p^{2} +6p-8[/tex]
Step-by-step explanation:
Remember these rules for addition, substraction, multiplication or division:
Addition
+ + = +
- - = -
Big + number - = +
Big -number + = -
Substraction
change the sign!
And follow the rules for addition
Multiplication or division
+ + = +
- - = +
+ - = -
Now for the exercise
[tex]2p^{2} + 3p - 4[/tex]
- ([tex]- 2p^{2} -3p +4[/tex])
Change the signal
[tex]2p^{2} + 3p - 4[/tex]
([tex]+2p^{2}+3p-4[/tex])
[tex]4p^{2} + 6p -8[/tex]