Q4. Three sides of a triangle are 2x² + 3x + 1, x + 7 and 3x² – 2x + 3. What is its perimeter? (2 marks)
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Step-by-step explanation:
2x² + 3x + 1 + x+ 7 + 3x² – 2x + 3
= 5x² + 2x + 11
this is your answer
Thanks
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