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प्रश्न
Find the value of 5x2 – 3x + 2, when x = 2.
योग
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उत्तर
5x2 – 3x + 2
= 5(2)2 − 3(2) + 2
= 5(4) − 6 + 2
= 20 + 2 − 6
= 16
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