factorise the following expression a²+11a+30
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Answer:
( a+6) (a+5)
Step-by-step explanation:
a²+11a+30 = a²+6a+5a + 30 ( 30 xa² = 30a²= 5a x 6a)
= a(a+6) + 5 ( a+ 6)
= ( a+6) (a+5)
The factors are ( a+6) (a+5)
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