Question 184055
25t<sup>6</sup>-10t<sup>3</sup>+5t<sup>2</sup>

Observation: 5t<sup>2</sup> is a common factor to all terms. So,
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25t<sup>6</sup>-10t<sup>3</sup>+5t<sup>2</sup>=5t<sup>2</sup>(5t<sup>4</sup>-2t+1)

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