Factorise the following :64 - (a+1)²
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64-(a+1)^2
=64-(a^2+1^2+2ax1)
=64-a^2-1-2a
={-a^2-2a+63}
={(-a^2-9a+7a+63)}
={-a(a+9)+7(a+9)}
=(a+9) (7-a) ans
=64-(a^2+1^2+2ax1)
=64-a^2-1-2a
={-a^2-2a+63}
={(-a^2-9a+7a+63)}
={-a(a+9)+7(a+9)}
=(a+9) (7-a) ans
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