Kaydenperra Kaydenperra

01-03-2019
Mathematics

contestada

Find (2b^2+3b-5)-(2b^2-4b-9)
Answers
7b-14
4b^2+4
7b+4
4b^2-b-14

Respuesta :

wegnerkolmp2741o wegnerkolmp2741o

01-03-2019

Answer:

7b+4

Step-by-step explanation:

(2b^2+3b-5)-(2b^2-4b-9)

Distribute the minus sign

(2b^2+3b-5)-2b^2+4b+9

Combine like terms

2b^2 -2b^2 +3b +4b -5+9

7b +4

Answer Link

Otras preguntas

Which sense organs do reptiles use in finding prey?

How might Congressman Steve King respond to "Brutus'" statements on natural rights?

An increase in the atmospheric levels of carbon dioxide (CO2) is the biggest contributor to which of the following? A . global warming B . El Niño C. wind storm

How to balance chemical equations?

What is the normal oxygen concentration of a man?

Which sentence contains an adverb clause? A. Dad will get some tape as soon as the stores open tomorrow. B. That was the book that Grandpa gave Billy in August.

Both Shays’s Rebellion and the Pennsylvania Mutiny helped Americans to realize that the Articles of Confederation...

Which answer corrects the error in capitalization? On January 1, 1863, Abraham Lincoln issued the Emancipation proclamation. A. Proclamation B. emancipation C.

While a star is being observed through a telescope, the visible light coming from the star shifts from red to blue. Which is true about this star? I know f

Which sense organs do reptiles use in finding prey?