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प्रश्न
Simplify this expression and find its value if x = 3, a = -1, b = -2.
2 - 8x + 4x + 4
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उत्तर
2 - 8x + 4x + 4 on putting x = 3 in the given equation
= 2 + 4 - 8x + 4x
= 6 - 4x
= 6 - (4 × 3)
= 6 - 12
= -6
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