Question

Simplify the following by using identities
(970)
$(970) {?}^{2}$

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Answer 1

Step-by-step explanation:

${(970)}^{2} = {(1000 - 30)}^{2}$

$= {(1000)}^{2} + {(30)}^{2} - 2 \times 1000 \times 30$

$= 1000000 + 900 - 60000$

$= 940900$

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