wubbleduck
wubbleduck wubbleduck
  • 12-05-2015
  • Mathematics
contestada

Multiply the Polynomial
(5a-b)(5a+8b)

Explain.

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4tires 4tires
  • 12-05-2015
[tex](5a-b)(5a+8b)=(5a*5a)+(5a*8b)+(-b*5a)+(-b*8b)=[/tex][tex]25a^2+40ab-5ab-8b^2=25a^2+25ab-8b^2[/tex]
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Panoyin
Panoyin Panoyin
  • 13-05-2015
(5a - b)(5a + 8b)
5a(5a + 8b) - b(5a + 8b)
5a(5a) + 5a(8b) - b(5a) - b(8b)
25a² + 40ab - 5ab - 8b²
25a² + 35ab - 8b²
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