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Sagot :
Answer:
we need to add [tex]a^{2}[/tex] to make it a perfect square.
Step-by-step explanation:
since we know
[tex]a^{2}+b^{2}-2ab=(a-b)^{2}[/tex]
then after compairing it with x² - 2xa
we have;
missing term as [tex]a^{2}[/tex]
hence we need to add [tex]a^{2}[/tex] to make it a perfect square.
learn more about algebra here
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