5.3-2.8x-7.1+3.9x Simplify and combine like terms

2 answers:

7 0

1.1x -1.8 should be the answer.

5 0

I got a different answer i got: 12.4+6.7x

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Aleks [24]

Given that $f(x) = 3x^2 + 5$ , we have

$f(x + 3) = 3 (x + 3)^2 + 5 \\\\= 3 (x^2 + 6x + 9) + 5 \\\\= 3x^2 + 18x + 32$

so that

$f(x+3) - (f(x) + 3) = (3x^2 + 18x + 32) - (3x^2 + 8) \\\\= \boxed{18x + 24}$

3 0

2 years ago

garri49 [273]

Answer:

the correct answer is $14.55%

6 0

3 years ago

Blababa [14]

The answer is 8n^2

2x2 is 4 x 2 is 8 two n variables so multiple it by 2 and you get your answer

3 0

2 years ago

evablogger [386]

Answer:

5 1/4

Step-by-step explanation:

cause if you multiply those numbers you should get the answer

Glad i can help!!!

8 0

3 years ago

Kobotan [32]

This is an answer should help you

8 0

3 years ago