mattricc1323 mattricc1323

24-07-2018
Mathematics

contestada

what are the factors of x^2-25

A. (x-5)(x-5)
B. (x+5)(x-5)
C. (x-1)(x+25)
D. Prime

Respuesta :

choixongdong choixongdong

24-07-2018

a^2 - b^2 = (a + b)(a - b)

so

x^2 - 25

= x^2 - 5^2

= (x + 5)(x - 5)

Answer is B. (x + 5)(x - 5)

Answer Link

Otras preguntas

Iron is a solid, grey metal. Oxygen is a colorless gas. When iron and oxygen chemically combine , rust is made. Rust has a reddish brown color. Why does rust di

The perimeter of a sheet of paper is 38cm. If the width is 8 cm what is the length of the paper?

What is the answer to 2c-5=c+4

What details from the may 15th entry prove that Charlie's intelligence is growing and increasing daily ?

Argyle has 8 t-shirts and 5 pairs of shorts that he wears with either sandals or sneakers.if all the colors and patterns coordinate how many different outfits c

What is the answer to 2c-5=c+4

The perimeter of a sheet of paper is 38cm. If the width is 8 cm what is the length of the paper?

THE 3 STOOGES ARE ASKED WHO IS THE SMARTEST. TWO OF THEM ARE TRUTHFUL AND ONE IS A LIAR. LARRY SAYS CURLY IS THE SMARTEST, MOE SAYS LARRY IS THE SMARTEST AND CU

The perimeter of a sheet of paper is 38cm. If the width is 8 cm what is the length of the paper?

What is the answer to 2c-5=c+4