Question

сократите дробь 16-x/4+√x

Answer 1

$frac{16-x}{4+ sqrt{x} } = frac{(16-x)(4- sqrt{x} )}{(4+ sqrt{x} )(4- sqrt{x} )} = frac{(16-x)(4- sqrt{x} )}{16-x} =4- sqrt{x}$