Question

5 x square - 22 x minus 15 is equal to zero
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Answer 1

$5 {x}^{2} - 22x - 15 = 0 \\ 5 {x}^{2} - 25x + 3x - 15 = 0 \\ 5x(x - 5) + 3(x - 5) = 0 \\ (x - 5)(5x + 3) = 0$

if (x-5) = 0

x-5=0

x=5

if 5x+3=0

5x+3=0

5x=3

x=3/5

I hope it helps you

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