hahaha11111 hahaha11111

04-02-2022
Mathematics

contestada

How to factor this expression: x^2-9?

Respuesta :

ItsDingy ItsDingy

04-02-2022

Answer:

(x+3)(x-3)

Step-by-step explanation:

rewrite "9" as 3^2

so it is x^2-3^2

You use the difference of squares: a^2-b^2=(a+b)(a-b)

apply it: (x+3)(x-3)

Answer Link

Otras preguntas

f(x) = 3x-4 g(x) = -x2 + 2x - 5 h (x) = 2x2 +1 j(x) 6x2-8xk(x) = 3x2 - x + 7 Calculate (k - j) (x).

A 1500 kg car speeds up from zero to 3.0 ms. it has kinetic energy of 6750 J at top spreed. True or False?

Why adolf hitler killed 6million jews people

Paul and Quinn share £60 inthe ratio 3:2. How much doeseach get?

without tourism in the country development will suffer a great deal discuss 5 point

An elementary school teacher is trying to decide if she should take her students to the library or to the park. Her decision is based solely on how quickly they

COMPARING AND CONTRASTING How were the explorations of John Cabot and Pedro Cabral alike and different?

Help! I am trying to Simplify: 5√24

Convert 7896cm to metres.

Which zone of a flame does a goldsmith use to make ornaments? why ?