(a-5)²-36 please answer it proply
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Step-by-step explanation:
(a^2+25-10a)-36 (since a^2-b^2)
a^2-10a-11
a^2+1a-11a-11 (by factorisation)
a(a+1)-11(a+1)
(a-11)(a+1)
Therefore,
a-11=0 ; a+1=0
a=11 ; a=-1
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