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Gwar [14]
2 years ago
10

Expand (2x+ 3)² Please guys​

Mathematics
1 answer:
PSYCHO15rus [73]2 years ago
3 0

Answer:

4x^2 + 12x + 9.

Step-by-step explanation:

(2x+3)^2

= (2x+3)(2x+3)

= 2x(2x+3)+3(2x+3)

= 4x^2 + 6x + 6x + 9

= 4x^2 + 12x + 9.

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Use the expression below to complete the following tasks. (3a2 - 5ab + b2) - (-3a2 + 2b2 + 8ab) What is the additive inverse of
Basile [38]
Remember that the additive inverse are two equal numbers (or expressions) but with different signs.
 We have then, that according with the coment below:
 (3a2 - 5ab + b2) - (-3a2 + 2b2 + 8ab)
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 Answer:
 the additive inverse of the polynomial being subtracted is 
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yKpoI14uk [10]

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I hope this helps

Step-by-step explanation:

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