2 years ago

Simplify (3x2 − 2) + (5x2 + 5x − 1).

Mathematics

2 answers:

alexdok [17]2 years ago

8 0

Answer:

8x² + 5x - 3

Step-by-step explanation:

Given

(3x² - 2) + (5x² + 5x - 1)

Since both parenthesis are distributed by 1 just remove them, that is

3x² - 2 + 5x² + 5x - 1 ← collect like terms

= (3x² + 5x²) + 5x + (- 2 - 1)

= 8x² + 5x - 3

lions [1.4K]2 years ago

4 0

Answer: 9

The steps are in the picture

You might be interested in

Help

aniked [119]

Answer:

39.3%

Step-by-step explanation:

5 0

3 years ago

Given f(x) = x^2 – 3x – 2, what is f(5)?

miskamm [114]

Answer:

$f(5)=8$

Step-by-step explanation:

Given function: $f(x)=x^2-3x-2$

To find $f(5)$ , simply input $x=5$ into the function:

$\begin{aligned}\implies f(5) & =5^2-3(5)-2\\& = 25-15-2\\& = 10-2\\& = 8\end{aligned}$

5 0

2 years ago

Read 2 more answers

_+6 +2 = 6 + 10<br><br> Find the missing number

Sauron [17]

574=30303 equals that

4 0

3 years ago

Read 2 more answers

Sean bought a 6 inch sub. He ate 3 3/4 inches. How much sub does he have left in the simplest form.

irinina [24]

Answer: 2 1/2

hope this helps

4 0

3 years ago

Each egg carton holds one dozen eggs. Michael's chicken farm fills 121 egg cartons. He thinks that there were over 1500 eggs. Is

Kobotan [32]

121 x 12 = 1452 so over 1500 is not a correct estimate. Less than 1500 is the right estimate

3 0

2 years ago