Question

4p/q-2p - 2p/2p+q
ПОМОГИТЕ ПЛИЗ ДАМ 50-70 БАЛЛОВ

Answer 1

$\frac{4p}{q - 2p} - \frac{2p}{2p + q} = \frac{4p(2p + q) - 2p(q - 2p)}{(q - 2p)(2p + q)} = \frac{8 {p}^{2} + 4pq - 2pq + 4p {}^{2} }{q {}^{2} - 4 {p}^{2} } = \frac{12p {}^{2} + 4pq - 2pq{} }{q {}^{2} - 4p {}^{2} } = \frac{12p {}^{2} + 2pq }{q {}^{2} } - 4p {}^{2}$