3 years ago

Factorise using the difference of two squares: I)4x squared-(2x+3) squared

1 answer:

8 0

4x² - (2x + 3)²
4x² - (2x + 3)(2x + 3)
4x² - (2x(2x + 3) + 3(2x + 3))
4x² - (2x(2x) + 2x(3) + 3(2x) + 3(3))
4x² - (4x² + 6x + 6x + 9)
4x² - (4x² + 12x + 9)
4x² - 4x² - 12x - 9
-12x - 9
-3(4x) - 3(3)
-3(4x + 3)

You might be interested in

leora is using the recipe shown below to make salad dressing for a salad. She wants to make 20 batches of the recipe. How much v

Mashutka [201]

She will need 20x the original amount of each ingredient
what are the regular amounts for the recipe?

7 0

3 years ago

Read 2 more answers

2sandwachies shared to 3people what fraction does each get when they share equally

Tems11 [23]

2/3 of a sandwich per person

4 0

3 years ago

Read 2 more answers

A line passes through (3, 7) and (6, 9). Which equation best represents the line?

WARRIOR [948]

The answer is the first option
y=3/2x+5

7 0

3 years ago

Please answer all!!!

fenix001 [56]

4. no
5. no, because the second one is 40 words per minute
6. 8x2 =16 miles per hour going up
40 divided by 2= 20 miles per hour going down
4 minute difference
((i apologize if any are wrong! good luck!

8 0

3 years ago

Three balanced coins are tossed independently. One of the variables of interest is Y1, the number of heads. Let Y2 denote the am

Agata [3.3K]

Find the below attachments for detailed answer.

5 0

3 years ago