Question

find the value of x If 15x= 50 power 2 - 40 power 2

Answer 1

Given
15x=50²-40²
→15x=2500-1600
→15x=900
→x=900/15
→x=60

Answer 2

$\textbf{Your answer !!}$

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$15 x = {50}^{2} - {40}^{2} \\ \\ \\ 15 x = 2500 - 1600 \\ \\ \\ 15 x = 900 \\ \\ \\ x = (\frac{900}{15}) \\ \\ \\ x = 60$

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