(t- 3)² (t+ 3)² give my answer fast please
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Answered by
0
Answer:
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Answered by
1
Answer:
= t⁴-18t²+81
Step-by-step explanation:
(t- 3)² (t+ 3)²
= {(t-3)(t+3)}²
= {t²-(3)²}²
= (t²-9)²
= (t²)²-2.t².9+(9)²
= t⁴-18t²+81
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