Question

(5x-1) (x+3) - (x - 5) (5 x+1) = 40​

Answer 1

$\sf{(5x - 1)(x + 3) - (x - 5)(5x +1 ) = 40} \\ \\ \rightarrow \frak{( {5x}^{2} + 15x - x - 3) - ( {5x}^{2} + x - 25x - 5) = 40 } \\ \\ \rightarrow \frak{ \cancel{{5x}^{2}} + 15x - x - 3 - \cancel{{5x}^{2} } - x + 25x + 5 = 40} \\ \\ \rightarrow \frak{ 14x - 3 + 24x + 5 = 40} \\ \\ \rightarrow \frak{38x + 2 = 40 } \\ \\ \rightarrow \frak{ 38x = 40 - 2} \\ \\ \rightarrow \frak{ x = \cancel{ \frac{38}{38} }} \\ \\ \fbox{\rightarrow \red{\frak{x = 1 }}}$

Answer 2

Answer:

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