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प्रश्न
Factorise : a2 + ax + ab + bx
योग
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उत्तर
a2 + ax + ab + bx
= (a2 + ax) + (ab + bx)
= a(a + x) + b (a + x)
= (a + x) (a + b)
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Factorisation by Grouping
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