camilamacchi511 camilamacchi511

15-05-2020
Mathematics

contestada

i need help with these questions

i need help with these questions class=

Respuesta :

hrmoon2003 hrmoon2003

15-05-2020

1) First you would multiply 3 × -4 which gives you -12

You add exponents when multiplying.

So, x^2 +x^3 = x^5 and y^3 +y^4 = y^7

Final Answer: -12x^5y^7

2) 7 times 4 is 28 and y^3 +y^5 = y^8

Final Answer: 28y^8

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