SeherSheikh011 SeherSheikh011

14-07-2020
Mathematics

contestada

Expand and simplify (x-3)(x+5)

Respuesta :

14-07-2020

Answer:

x^2+2x-15

Step-by-step explanation:

x^2+5x-3x-15

=x^2+2x-15

Answer Link

marcthemathtutor marcthemathtutor

14-07-2020

Answer:

x² + 2x -15

Step-by-step explanation:

by using FOIL method (see attached for reference),

(x-3)(x+5)

= (x)(x) + (x)(5) + (-3)(x) + (-3)(5)

= x² + 5x - 3x -15

= x² + 2x -15

Ver imagen marcthemathtutor

Answer Link

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