jonathonjoaster jonathonjoaster
  • 02-07-2020
  • Mathematics
contestada

Factor completely 9x2 + 42x + 49

Respuesta :

Space
Space Space
  • 02-07-2020

Answer:

(3x + 7)²

Step-by-step explanation:

You can either factor it by GCF or guess and check. The question you should be asking when you try to factor is"What multiplies to 49 and adds up to 42 with coefficients 3 in front of the x?" When you answer this question, you should think of 7 and 7. You then put it in binomial form and you have your answer.

Answer Link
gilbertazavedo72
gilbertazavedo72 gilbertazavedo72
  • 02-07-2020

Answer: (3x + 7)^2

Step-by-step explanation:

9x^2 + 42x + 49

3^2x^2 + 2 * 3x * 7 + 7^2

3x^2 + 2 * 3x * 7 + 7^2

(3x + 7)^2

Answer Link

Otras preguntas

How many minutes are in 36 hours?
Trying to translate word problems. Five times the sum of 3 and twice some number is 70. what is the number?
What two major processes are involved in the oxygen cycle?
What is Sir Francis Drake hardships
How is the numeral 35.012 written in words and why
Trying to translate word problems. Five times the sum of 3 and twice some number is 70. what is the number?
What are two different ways to describe and label the layers of the Earth?
Nadine can send or receive a text message for 15 cents or get an unlimited number for 5 dollars. Write and solve an inequality to find how many messages she can
A passenger on a boat moving at 1.70 m/s on a still lake walks up a flight of stairs at a speed of 0.60 m/s , as shown in the figure . The stairs are angled at
Rewrite the function c(x) =9(x+3) using the distributive property