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

Which of the following must happen before the cell can go through mitosis? A. The cytoplasm must divide. B. The cell must copy its DNA. C. The spindle fibers mu
Do your cells use food to directly power their various functions? Explain your answer.
Carrie and krystal are taking a road trip from Greenville to north valley.each person has her own map,and the scales on the maps are different. a. on carries ma
what is the scientific method
Can you identify the 4th most abundant element in the universe?
Someone who accepted the beliefs of social Darwinism would have also agreed with which of these statements? a. The government should be responsive to public opi
What is another word for Acadians
a corn plant has a genotype Sstt, what are the possible genetic combinations that could be present in a single grain of pollen produced by the plant? a. Ss, tt,
what are 2 decimals whose quotient is about 4.1 need the answer fast!
are part of your body's inherent immunity to disease.