Use a suitable identity to get each of the following (a+b)²=a²+2ab+b²
(x+3)(x+3)
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Answer:
x² + 6x + 9
Step-by-step explanation:
(x+3)(x+3)
= (x+3)²
= x² + 2(x)(3) + (3)²
= x² + 6x + 9
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