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21-01-2022
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Factorize: (2x + 3y)² + 2(2x + 3y) (x + y) + (x + y)²

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Аноним Аноним

21-01-2022

Answer:

(3x+4y)²

Step-by-Step Explanation:

use square of sum: (a+b)²=a²+2ab+b².

(2x+3y+x+y)²

collect like terms

((2x+x)+(3y+y))²

simplify (2x+x)+(3y+y) to 3x + 4y

(3x+4y)²

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