mileidis mileidis
  • 10-09-2020
  • Mathematics
contestada


When factored, the trinomials x2 + 4x − 21 and x2 + 11x + 28 have one binomial factor in common. What is this factor?

x − 7
x + 7
x − 5
x + 5


Helpppppp

Respuesta :

mathstudent55
mathstudent55 mathstudent55
  • 10-09-2020

Answer:

x + 7

Step-by-step explanation:

x^2 + 4x − 21 =

= (x + 7)(x - 3)

x^2 + 11x + 28 =

= (x + 4)(x + 7)

Answer: x + 7

Answer Link

Otras preguntas

What is the equation of the blue line?
Without solving, identify whether this equation has a solution that is positive, negative, or zero: 3x−5=−3.
MATH QUESTION SCREEN SHOT DOWN BELOW
Which is the product of 7/9 and 6? O A. 1 4/9 о в. 3 7/9 O c. 4 2 /3 o D. 7 5/7
Greg got in over his head and kept buying things on his credit card that he couldn’t really afford. He ended up not being able to make payments on his card. Wha
Propane burns according to the following reaction: C3H8 + 5O2 → 3CO2 + 4H2O What volume of carbon dioxide is produced if 25.0 m3 of propane at atmospheric press
ok i genualy need yalls help please
find the surface area of the composite figure
which of these does an open office or microsoft office wizard do?
Match each sentence part to the question it answer ?