jennie87
jennie87 jennie87
  • 14-08-2019
  • Mathematics
contestada

can someone help me with this please??

can someone help me with this please class=

Respuesta :

hoangpm04
hoangpm04 hoangpm04
  • 14-08-2019

Answer:

(x-5)*(x+5)

Step-by-step explanation:

= x^2 + 5x - 25 - 5x

= x^2 +5x - 5x -25

because +5x - 5x = 0 so

= x^2 + 0 - 25

= x^2 - 25

25 can be written as 5^2

= x^2 - 5^2

we know that a^2 - b^2 = (a-b) * (a+b)

so x^2 - 5^2

= (x-5) * (x+5)

Hope this help you :3

Answer Link

Otras preguntas

The fence around anne's garden forms a right triangle. the length of one leg is 5 meters, and the hypotenuse is 13 meters. what is the length of the other secti
Compare the costs and benefits of hydro power to that of geothermal power. (Please include two costs and two benefits.)
What is the slope of the line through (6,9) and (7,1)?
If a man is homozygous dominant for bend fifth finger and a woman is homozygous recessive what’s the probability that the offspring has a fifth bend finger
Select the best description of a fast food restaurant. La comida usa variados ingredientes. La cuenta se paga después de comer. El camarero viene a la mesa. El
Name three ways that you could reduce your personal water use.
how many lines of symmetry does an irregular pentagon have?
What do both limestone and coral contain?
I know how to do it I'm just lazy
PLEASE HELP! In what ways did the leadership of John Paul Jones contribute to the American Revolution? Be sure to identify both his contributions and the effect