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Bas_tet [7]
3 years ago
15

Completing

middle" class="latex-formula"> 
complete the square
Mathematics
1 answer:
dimulka [17.4K]3 years ago
6 0
a^2-8a+15=0\\
a^2-8a+16-1=0\\
(a-4)^2=1\\
a-4 =1 \vee a-4=-1\\
a=5 \vee a=3

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