Question

(+5)×[(-3)+(-7)] me ayudan por favor
Y de (-3)×[(+7)+(-2)]

Answer 1

(5)*[(-3)+(-7)]
=(5)*[-3-7]
=(5)*(-10)
=-50

(-3)*[(+7)+(-2)]
=(-3)*[7-2]
=(-3)*[5]
=-15