1. Find the product:
(i) (a+3)(a+5)
Answers
Answered by
3
(a + 3)(a + 5)
= a(a + 5) + 3(a + 5)
= a² + 5a + 3a + 15
= a² + 8a + 15.
Answered by
1
Step-by-step explanation:
( a + 3) ( a+ 5 )
a^2 + 5a + 3a + 15
a^2 + 8a + 15
a^2 - 5a - 3a + 15 ( factorisation)
a ( a - 5) - 3 ( a - 5) = 0
(a - 3) ( a - 5) =0
a = 3, 5
Hope it helps you
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