5x² +16x +3 find zero of polyonomial
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Answer:
3
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3 is the answer
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5x² + 16x + 3 = 0
25x² + 80 x = -15
(5x)² + 2×5x×8 + 8² = -15 + 64
(5x-8)² = (7)²
5x-8=±7
x = ⅕ or 3
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