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प्रश्न
factorise: x(3x + 14) + 8
बेरीज
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उत्तर
x(3x + 14) + 8
= 3x2 + 14x + 8
= 3x2 + 12x +2x +8
= 3x(x + 4) + 2(x + 4)
= (x + 4)(3x + 2)
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Factorisation by Grouping
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