Using the FOIL method:
(3x + 5)(x + 1)
= 3x² + 3x + 5x + 5
= 3x² + 8x + 5
answer:
3x²+8x+5
First multiply the two variables which is 3x and x
Second multply the inner and outer numbers which is 3x and 1
Third multiply the inner and inner numbers which is 5 and x
Fourth multiply the outer and inner nimbers which is 5 and 1,
and lastly add the similar number like this...3x²+3x+5x+5
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Answers & Comments
Using the FOIL method:
(3x + 5)(x + 1)
= 3x² + 3x + 5x + 5
= 3x² + 8x + 5
answer:
3x²+8x+5
First multiply the two variables which is 3x and x
Second multply the inner and outer numbers which is 3x and 1
Third multiply the inner and inner numbers which is 5 and x
Fourth multiply the outer and inner nimbers which is 5 and 1,
and lastly add the similar number like this...3x²+3x+5x+5