3 years ago

Express (a+b) ^2 -4 by factorization

Mathematics

1 answer:

NemiM [27]3 years ago

5 0

Step-by-step explanation:

$= (a + b) {}^{2} - 2 { }^{2} \\ = ( a + b + 2)(a + b - 2)$

in 2nd exp. this is because by using the formula of a2-b2

You might be interested in

Convert from feet to yards.<br><br> 6,249 feet = ___ yards

Mashcka [7]

Answer:

2083

Step-by-step explanation:

Every yard is 3 feet so divide 6243 ft by 3 to get your answer

$\frac{6249}{3} = 2083$

Hope I helped! :)

3 0

2 years ago

Read 2 more answers

Which of the following are not affected by the others outcomes

tankabanditka [31]

Whats not affected by the
others outcome

6 0

3 years ago

Evaluating a piece-wise function. 10 pts

kozerog [31]

1. Since -4 doesn’t equal -2, we will use the first function. All you have to do is plug in -4 to x, and you should get

-3

2. -2=-2, so we will use the second function to get the answer of

3

3. Once again we will be using the first function, so just plug 5 into the answer to get

-7.5

Hope this helped :)

4 0

2 years ago

Reg is visiting the united states and needs to convert 2,000 rupees to US dollars

Georgia [21]

Answer:

27.3 dollars

Step-by-step explanation:

8 0

3 years ago

I'm having a problem finding the points

Ivenika [448]

The points are (-3,3) and (2,2) then you use distance formula to find the distance between them