VjMegawoodice
VjMegawoodice VjMegawoodice
  • 02-09-2016
  • Mathematics
contestada

Factorise completely: 9x2 + 42x + 49

Respuesta :

HomertheGenius
HomertheGenius HomertheGenius
  • 11-09-2016
This is a perfect square trinomial:
9 x² + 42 x + 49 = ( 3 x )² + 2 · 3 x · 7 + 7² =
= ( 3 x + 7 )² = ( 3 x + 7 ) · ( 3 x + 7 )
Answer Link
leviroeck
leviroeck leviroeck
  • 03-03-2020

Answer:

i think the answer is (3x + 7)(3x + 7)

Step-by-step explanation:

Answer Link

Otras preguntas

The first division of politician parties came about because of what issue
What is one contribution shakespeare made to the written word?
The timeline shows the start dates of major world religions. is an approximate year communicated on this timeline?
Fill in the blank: 1. ___+ (-9) = 8 2. ___+ 12 = 6
Find the distance between (2.0) and (8, -3)
How do I rate this app
427,266 to the nearest ten thousand
An equation is shown below: 5(2x - 8) + 15 = -15 Write the steps you will use to solve the equation and explain each step.
Xylem and Phloem are locate inside of a leaf vein also called what? 10 points Guard Cells Epidermis Vascular Tissue Stomata
Christopher Columbus is important to learn about beacuse_______ Question 2 options: A. He connected the Americas to Europe and Africa by sea. B. He was very ge