(a-5) ,square -36
Factorisation
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Answer:
Step-by-step explanation:
(a-5)^2-36=0
a^2+25-10a-36=0 (after applying formula (a-b)^2=a^2+b^2-2ab)
a^2-10a-11=0
a^2+a-11a-11=0 (after splitting the middle term)
a(a+1)-11(a+1)=0
a=11 or a= -1
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