3 years ago

Use the difference of squares identity to write this polynomial in factored form 9x²-49

1 answer:

7 0

$\bf 9x^2-49\implies 3^2x^2-7^2\implies \stackrel{\stackrel{\textit{difference of}}{\textit{squares}}}{(3x)^2-7^2}\implies (3x-7)(3x+7)$

You might be interested in

25 is 45% of what number

Oksi-84 [34.3K]

Answer: 55.56

Step-by-step explanation:

Let the unknown number be k

(45 x k) / 100 = 25

45k/100 = 25

multiply both sides by 100

45k = 25 x 100

45k = 2500

divide both sides by 45

k = 2500/45

k = 55.56

6 0

3 years ago

I need help on this

andrey2020 [161]

Wow that looks really hard andddddd I'm dumb sorry

5 0

4 years ago

What is the decomposition of 43.586

Fiesta28 [93]

43.586- anything 5 and more rounds up, so the 6 rounds the 8 up to 9, the 9 rounds the 5 up to a 6, so your answer wound be 43.6 because 43.5(tenths)8(hundredths)6(thousandths), i hope this helps

Leave a thanks :D

3 0

3 years ago

2. What equation does the model below<br> represent?<br> -<br> -

Novay_Z [31]

Answer:

minus

Step-by-step explanation:

it means minus maybe think that what it means

6 0

3 years ago

Read 2 more answers

Josef ate 1/4 a pizza in 1/2 an hour. How much pizza would Josef eat in one hour?

wolverine [178]

1/2 of the pizza is eaten in an hour. To get from 1/2 an hour to 1 hour, you multpily by 2. Multiply 1/4 by 2 to get 1/2.

7 0

4 years ago

Use the difference of squares identity to write this polynomial in factored form 9x²-49​

Use the difference of squares identity to write this polynomial in factored form 9x²-49