DASAROLLA: a) (x+3) (x+5)= b) (x+4) (x-5)=​

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1. 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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