factorise a^+8a+16
Answers
Answered by
13
Answer:
a²+8a+16
a²+(4+4)a+16
a²+4a+4a+16
a(a+4)+4(a+4)
(a+4)(a+4)
(a+4)²
Step-by-step explanation:
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Answered by
4
Answer:
a^2 +8a+16
=a^2 +4a+4a+16
=a(a+4)+4(a+4)
=(a+4)(a+4)
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