3 years ago

multiplying polynomials find the product(5n+6)(5n-5)

Mathematics

2 answers:

Anna35 [415]3 years ago

8 0

(5n + 6)(5n-5)

= {5n(5n-5)} + {6(5n-5)}

= 25n² - 25n + 30n - 30

= 25n² + 5n - 30

Viktor [21]3 years ago

3 0

$(5n+6)(5n-5) =5n\cdot 5n -5n\cdot 5+6\cdot 5n-6\cdot 5=\\ \\=25n^2-25n+30n-30 =25n^2+5n-30$

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