Ответ:
2a^2-16+26
Объяснение:
f(a-4)=2(a-4)^2-6
= 2(a^2-8a+16)-6
=2a^2-16a+32-6
=2a^2-16a+26
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Ответ:
2a^2-16+26
Объяснение:
f(a-4)=2(a-4)^2-6
= 2(a^2-8a+16)-6
=2a^2-16a+32-6
=2a^2-16a+26