rap07uk rap07uk
  • 19-04-2022
  • Mathematics
contestada

a) Factorise
x2 - 422

a Factorise x2 422 class=

Respuesta :

Аноним Аноним
  • 19-04-2022

Answer:

(x + 42)(x - 42)

Step-by-step explanation:

Keep this in mind :

  • a² - b² = (a + b)(a - b)

In this case,

  • a = x
  • b = 42

So, by factorizing,

  • x² - 42² = (x + 42)(x - 42)
Answer Link
Аноним Аноним
  • 20-04-2022

★a²-b²=(a+b)(a-b)

So

  • x²-42²

a=x ,b=42

  • (x+42)(x-42)

Done!

Answer Link

Otras preguntas

Is this a statistical question? How many foreign countries have you visited?
Charles Darwin's groundbreaking book, The Origin of Species, described the process of a) acquired traits. b) natural selection. c) the laws of gravity. d) the m
2. Which organelle acts like the “brain” or control center of the cell?
500 minutes =how many hours and minutes
what's greater 8 killometers or 850 grams
Why was Nationalism an important factor in World War 1?
Which describes uniformitarianism? A.The rates of geologic change increase with time B.Geologic processes are different over time C.The rates of geologic proces
when water falls from the clouds it is called
which choice is a chemical messenger that can directly influence gene expression? a. nonsteroid hormone b. steroid hormone c. ATP d. cAMP
Whats the square root of 144