Question

find the value of x if 13x=(58)²-(45)³​

Answer 1

$13x = (58) {}^{2} - (45) {}^{2}$

$13x = (58 + 45)(58 - 45)$

$13x = 103 \times 13$

$x = \frac{103 \times 13}{13}$

$\: \: \: x = 103$

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