Question

(a2+3b)(-2a3+4abc-5c)

Answer 1

Explicación paso a paso:

(a2+3b)(—2a3+4abc—5c)=

(a2)(—2a3)+(a2)(4abc)+(a2)(—5c)+(3b)(—2a3)+(3b)(4abc)+(3b)(—5c) =

= —2a5+4a3bc—5a2c — 2a3b+12ab2c — 15bc =