Factorize: 2 (x + y)2 +9(x + y) + 7
1 answer:
Answer: 13x + 13y + 7
Step-by-step explanation:
2(x + y)2 + 9 (x + y)+7
4(x + y) + 9x + 9y +7
4x + 4y + 9x + 9y + 7
4x + 9x + 4y +9y +7
13x + 13y + 7
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