datiabasiunang datiabasiunang

01-03-2022
Mathematics

contestada

If the square root of x square + nine equal to x +1 solve for x

Respuesta :

brotherpad10 brotherpad10

01-03-2022

Answer:

Simplify square root of x^2-9

√

x

2

−

9

Rewrite

9

as

3

2

.

√

x

2

−

3

2

Since both terms are perfect squares, factor using the difference of squares formula,

a

2

−

b

2

=

(

a

+

b

)

(

a

−

b

)

where

a

=

x

and

b

=

3

.

√

(

x

+

3

)

(

x

−

3

)

Answer Link

Otras preguntas

Ribbon A is 1/3 m long. It is 2/5 m shorter than Ribbon B. What's the total length of the two ribbons?

Sargon’s first act of conquest was ________. A). Befriending the king of Kish as his cupbearer B). Taking the city-state of Ur after defeating its army C). Crea

What is the gravitational potential energy of a book with a mass of 0.3 kg on a 1.0 high desk? 3.0 J 30J 0.3J

Find the domian of the graphed function

what is the algebraic expression for the following word phrase: the quotient of 8 and the difference of x and y?

What are the 7 ways to prove 2 lines are parallel?

anyone??? need some help huys:)

How do I solve. Please show all the work.

I NEED THE ANSWER ASAP!!

Which of these historical figures believed that communism could help solve the problems created by the industrial revolution