Answer:
4r² + 12r + 9
Step-by-step explanation:
(2r)²+ 2 × 2r × 3 + 3r²
4r² + 2 × 2r × 3 + 3r²
4r² + 12r + 3²
4r² + 12r + 9 >final answer
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Answer:
Answer:
4r² + 12r + 9
Step-by-step explanation:
(2r)²+ 2 × 2r × 3 + 3r²
4r² + 2 × 2r × 3 + 3r²
4r² + 12r + 3²
4r² + 12r + 9 >final answer