Question

13x=(58)^2-(45)^2 find the value of x

Answer 1

13x = (58 + 45) (58 - 45)
13x = 103 * 13
13x = 1339
x = 103

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Answer 2

$13x = {(58)}^{2} - {(45)}^{2} \\ = > 13x = (58 + 45)(58 - 45) \\ = > 13x = 103 \times 13 \\ = > x = \frac{13 \times 103}{13} \\ = > x = 103$
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