Personnnn18 Personnnn18

17-11-2020
Mathematics

contestada

7a(3b - 2c + 4)

Help?

Respuesta :

ZJSG09112007 ZJSG09112007

17-11-2020

Answer:

21ab-14ac+28a

Step-by-step explanation:

[tex]7a(3b - 2c + 4)\\\\\mathrm{Distribute\:parentheses}\\\\=7a\times \:3b+7a\left(-2c\right)+7a\times\:4\\\\\mathrm{Apply\:minus-plus\:rules}\\\\+\left(-a\right)=-a\\\\=7\times\:3ab-7\times\:2ac+7\times\:4a\\\\Simplify\\\\21ab-14ac+28a[/tex]

Answer Link

Otras preguntas

Importance of textile industry

16. What does "highly conserved" mean? in bio

Explain how you could use a number line to determine -5 -(-3) What is the difference?

Question 2 of 10 2 Points Which of the following is a characteristic of a balloon mortgage? O A. Series of equal payments over 30 years O B. Written for 20% of

El mesero trabaja en el café. A. sí B. no

solve for x please, thank you

does anyone have a summary for the diary of Anne Frank

Over the next 100 years, real GDP per capita in Groland is expected to grow at an average annual rate of 2.0%. In Sloland, however, growth is expected to be som

In a series circuit, there are 12 light bulbs, each providing 1 ohm of resistance. What is the total resistance? Group of answer choices

Simplify (3/4+1/3)×41/3÷31/4