guardianneangel guardianneangel

22-06-2017
Mathematics

contestada

REALLY NEED HELP ON THESE!!
Find the product: (8n-3)(7n+5)

Answers Availiable:

56n^2 - 15

56n^2 +19n - 15

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evil123toothpick evil123toothpick

22-06-2017

The answer would be 56n^2 + 19n - 15

Multiply 8n with 7n to get 56n^2, then multiple 8n with 5 and you get 40n, then multiple -3 with 7n to get -21n, then -3 times 5 which gives you -15. Simplify and that is the answer you would get.

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