Question

Упростите выражение 9x^2/x+4* 16-x^2/6x

Answer 1

$\frac{9x^{2}}{x+4}*\frac{16-x^{2}}{6x}=\frac{9x^{2}*(4-x)(4+x) }{(x+4)*6x}=\frac{3x(4-x)}{2}=\frac{12x-3x^{2}}{2}}$