22-06-2017
Mathematics

contestada

Find the sum and express it in simplest form.

(-5y^3 - 7y) + (7y^3 + 8y +9)

Respuesta :

Jonathank Jonathank

22-06-2017

(-5y^3 - 7y) + (7y^3 + 8y +9)

-5y^3+7y^3-7y+8y+9 <---- Group like terms

-5y^3+7y^3+y+9 <---- Add similar elements

Answer: 2y^3+y+9

Read it carefully as it may look confusing with the symbols.

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