14 a square + 11 ab - 15 b square
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Answer:
(7a - 5)(2a + 3b)
Step-by-step explanation:
Given : f(a) = 14a² + 11ab - 15b
By Middle Term Factorisation
→ 14a² + 21ab - 10ab - 15b
→ 7a(2a + 3b) - 5(2a + 3b)
→ (7a - 5)(2a + 3b)
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