venturaernestina71 venturaernestina71

18-02-2021
Mathematics

contestada

DASAROLLA:

a) (x+3) (x+5)=

b) (x+4) (x-5)=

Respuesta :

780zacky 780zacky

18-02-2021

Answer:

a)[tex]x^{2}[/tex]+8x+15

b)[tex]x^{2}[/tex]-x-20

Step-by-step explanation:

a) (x+3)(x+5)

a)[tex]x^{2}[/tex]+5x+3x+15

a)[tex]x^{2}[/tex]+8x+15

b) (x+4)(x-5)

b) [tex]x^{2}[/tex]-5x+4x-20

b)[tex]x^{2}[/tex]-x-20

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