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

3(x -2 = 3x - 5 is it a no slolution or one solution or x= 0 or infinite
A synonym is a word that has the same meaning as another word. Please select the best answer from the choices provided OTrue OFalse
slove the quadratic by factoring x²-3x-16=-6​
For every 2 apples in Kali’s orchard, there are 4 pears. In Sam’s orchard, there are 10 pears for every 5 apples. If the number of pears is proportional to the
write an expression that is equivalent to 2(A+b)
In AGHI, the measure of ZI=90°, HI = 1.1 feet, and IG = 7.5 feet. Find the measure of ZG to the nearest tenth of a degree.
How did the county unit system support segregation?
PLEASE ANSWER what is the area of a circle with a radius of 5 inches? use 3.14 for π Enter your answer as a decimal in the box.​
The Soviet Union sided with Germany until Hitler decided to attack the Soviet Union. True or False?
Here is a picture to show the question: