talyssa09 talyssa09
  • 21-11-2020
  • Mathematics
contestada

ASAP I need to know how to do these

ASAP I need to know how to do these class=
ASAP I need to know how to do these class=
ASAP I need to know how to do these class=
ASAP I need to know how to do these class=

Respuesta :

jacksonanesiaoveza8
jacksonanesiaoveza8 jacksonanesiaoveza8
  • 21-11-2020

1. idk

2. x^2+3x-4>0

write 3x as a difference

x^2+4x-x-4>0

then factor out x from the expression

X x (x+4)-x-4>0

factor the negative sign

X x (x+4)- (x+4)>0

( x+4)x (x-1)>0

aneswer: (-∞ , -4) ( 1, + ∞)

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