4 years ago

Solve (5 x/3) (5 x/5) =54

Mathematics

1 answer:

Phoenix [80]4 years ago

7 0

Answer:

$-\frac{9\sqrt{10} }{5}$ , $\frac{9\sqrt{10} }{5}$

Step-by-step explanation:

$(5*\frac{x}{3}) * (5*\frac{x}{5} ) = 54\\$ calculate the product

$\frac{5x}{3} * x =54$ multiply

$\frac{5x^{2} }{3} = 54$ multiply both sides by $\frac{3}{5}$

$x^{2} =\frac{162}{5}$ separate into two solutions

x = ± $\frac{9\sqrt{10} }{5}$

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