Question

53* (-9)-(-109)*53 evaluate using properties

Answer 1

53*(-9)-(-109)*53
⇒53*(-9)+(109)*53           [since (-)*(-) = +]
⇒53*(-9 + 109)                 [distributive property]
⇒53*100 = 5300

Answer 2

53×(-9)-(-109)×53
⇒53[(-9)+109]
⇒53(100)
⇒5300