JordynnCS JordynnCS
  • 21-10-2019
  • Mathematics
contestada

(3a +7)² – 5a(a-4) ..... Help​

Respuesta :

Mirandawolfaj
Mirandawolfaj Mirandawolfaj
  • 21-10-2019

Answer:

4a²+62a+49

Step-by-step explanation:

since (a+b)^2= a^2+2ab+b^2

(3a +7)² – 5a(a-4)

simplify the equation first

9a²+42a+49-5a²+20a

= 4a²+62a+49

Answer Link

Otras preguntas

Rowan is interested in becoming a florist. Her mother’s best friend works at the local flower shop and has agreed to let Rowan observe what she does after schoo
Why did Spanish leaders want to push Spanish control into North America in the mid-1500s?
What type of Genre Would Kirko Bangz fall under?
Which best describes the basis of European or Western culture? 1. the Slavic language and culture 2. Greek philosophy, Roman law, and the Judeo-Christian tradit
the earliest new world period literature was found in the form o?
The term ___ encompasses all objects that can establish or disprove whether a crime has been committed or can link a crime and its victim or perpetrator
What is traditional media?
compare and contrast the sound waves produced by someone whispering and someone shouting.
The Italian city-states were ruled by the king of Italy, and all felt great loyalty to their country. a. True b. False
5 minus the quotient of a number and 2