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प्रश्न
Use the direct method to evaluate the following products:
(x + 8)(x + 3)
बेरीज
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उत्तर
(x + 8)(x + 3)
= x(x + 3) + 8(x + 3)
= (x × x) + (x × 3) + (8 × x) + (8 × 3)
= x2 + 3x + 8x + 24
∴ (x + 8)(x + 3) = x2 + 11x + 24
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