sophiii
sophiii sophiii
  • 10-09-2019
  • Mathematics
contestada

Write this expression in standard form by collecting like terms:

9 (a - b) + 5 (2a - 2b)

A. 14a - 14b

B. 8a - 7b

C. 19a - 19b

D. -19a + 14b

please help asap, thank you!

Respuesta :

Аноним Аноним
  • 10-09-2019

9 (a - b) + 5 (2a - 2b)

mutiply the first bracket by 9

(9)(a)= 9a

(9)(-b)= -9b

mutiply the second bracket by 5

(5)(2a)=10a

(5)(-2b)= -10b

9a-9b+10a-10b

9a+10a-9b-10b ( combine like terms)

Answer : C. 19a - 19b

Answer Link

Otras preguntas

Choose the correct subject pronoun for the subjects given. -You (Miguel) él tú usted -Mi familia y yo Yo Uds. nosotros -You (la Señora Foust) ella usted (Ud.)
Help ASAP. Read carefully
what is the answer? please ​
Jaydie paid $10 for lunch.She has a 20% off coupon for the meal. After the discount, she will pay a 6% tax.
which of the following is an arithmetic sequence a. -2, -5, -8
It took 3 hours for Emyr to lay 450 bricks. He always works at the same speed. How long will it take Emyr to lay 750 bricks?
Given that €1 = 0.72 How much is €410 in £?
A. Tell whether the given algebraic expression is a polynomialor not. Write P if it is POLYNOMIAL, and NP if it is NOTPolynomial.1. 13x22. 4b3 + 5ab3. 1004. 13n
What is 8/x^2 + 6x • 2x ?
Godzilla or Lil uzi vert? NEED help ASAP!