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navik [9.2K]
2 years ago
15

HELP MATES, HELP! Mustafa was asked whether the following equation is an identity:

Mathematics
2 answers:
melamori03 [73]2 years ago
8 0

Answer: Mustafa is incorrect. He made a mistake in step 2.

Step-by-step explanation: Mustafa was certainly correct in step 1 that x(9x+3) + 3(x+3) is 9x^2 + 6x + 9. However when he was factoring, he made a mistake.

(3x + 3)^2 is NOT equal to 9x^2 + 6x + 9. Rather, (3x + 3)^2 is equal to 9x^2 + 18x + 9. If you want to double check this, use FOIL.

The correct factoring of 9x^2 + 6x + 9 is actually 3(3x^2 + 2x + 3). So, Mustafa made a mistake in step 2.

Sergeeva-Olga [200]2 years ago
3 0

Answer:

Incorrect,made mistake in step 2

Step-by-step explanation:

  • 9x²+6x+9 is correct

But factor it

  • (3x)²+2(3x)(1)+1²+8
  • (3x+1)²+8

It can't result (3x+3)² so she is wrong

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Answer:

1. Exponents- e.is the number of times the BASE NUMBER is multiplied by itself.

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3 years ago
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densk [106]

Answer:

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Step-by-step explanation:

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3 years ago
The vertices of a triangle are located at X(-2,-1), Y(2,5) and Z(4,3). What is the perimeter of this triangle?
Lana71 [14]
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3 years ago
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pav-90 [236]

these are the answers is order:

10, 22, 57, 36, 42, 60, and 16,000.

Hope these helped! :D


5 0
3 years ago
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olga2289 [7]

Answer:

? = 4.28

Step-by-step explanation:

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