Question

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Find (-49) x 18;(-25)(-31); 70 (-19)+(-1)x70 using distributive property.
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Answer 1

-(49)×18-49×(10+8)

=(49×10)+(-49×8)

=(490)+(-392)

=-882

(-25)×(31)

=-25×(30+1)

=25×30)+(25×1)

=-(750)+(-25)

=775

70×(-19)+(-1)×70

=70×((-19)+(-1))

=70×(-20)

=-1400