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प्रश्न
Simplify:
(x2 – 4) + (x2 + 4) + 16
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उत्तर
We have,
(x2 – 4) + (x2 + 4) + 16 = x2 – 4 + x2 + 4 + 16
= (x2 + x2) + (– 4 + 4 + 16)
= 2x2 + 16
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