Daca a=7si b+c=25,calculeaza a×b+a×c-150. URGENT,!!!!!!!!!!

Răspuns :

a×b+a×c-150 = a(b+c)-150= 7×25-150=175-150=25

a×b+a×c-150
dam factor comun pe a
=>
a×(b+c)-150
7×25-150
175-150=25