1.

Expand the following (3a-14)². ​

Answer»

9a^2 - 84a + 196

Step-by-step EXPLANATION:

(3a-14)²

{(3a)}^{2}  - 2 \times 3a \times 14 + (14) {}^{2}

{9a}^{2}  - 84a + 196



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