Question

roots of
$5 {x}^{2} \: - 8x = 4$


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Answer 1

Answer:

x = -2/5, 2

Step-by-step explanation:

5x² - 8x = 4

=> 5x² - 8x - 4 = 0

=> 5x² - 10x + 2x - 4 = 0

=> 5x(x - 2) + 2(x - 2) = 0

=> (5x + 2)(x - 2) = 0

=> x = -2/5, 2