Odpowiedź:
Szczegółowe wyjaśnienie:
st²- st + 4s² - 4s²t= st( t - 1) + 4s² ( 1 - t) = st( t - 1) - 4s ( t - 1) = ( t -1) ( st - 4s²)
b) - 9u² - 3u + 3uv² + v= - 3u ( 3uv + 1) + 3v (3uv +1)= ( 3uv +1) ( 3v - 3u)
c) = 4p( 2 + 5pq) - 3q ( 2 + 5pq)= ( 2 + 5pq) ( 4p - 3q)
d) = - 6y ( 3 - 2y) + 5x( 3 - 2y)= ( 3 - 2y) ( 5x -6y)
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Odpowiedź:
Szczegółowe wyjaśnienie:
st²- st + 4s² - 4s²t= st( t - 1) + 4s² ( 1 - t) = st( t - 1) - 4s ( t - 1) = ( t -1) ( st - 4s²)
b) - 9u² - 3u + 3uv² + v= - 3u ( 3uv + 1) + 3v (3uv +1)= ( 3uv +1) ( 3v - 3u)
c) = 4p( 2 + 5pq) - 3q ( 2 + 5pq)= ( 2 + 5pq) ( 4p - 3q)
d) = - 6y ( 3 - 2y) + 5x( 3 - 2y)= ( 3 - 2y) ( 5x -6y)