Question

simplif y using properties
1 ( - 28 - 10 ) - ( 20 - 6) =​

Answer 1

52

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Answer 2

Answer:

128

Step-by-step explanation:

1(-28+10) - (20 - 6)

= 1(28²+10² - 2(28)(10)) - (20²+6²-2(20)(6))

= 1(784+100-560) - (400+36-240)

= 1(884-560)-(436-240)

= 1(324)-(196)

= 324-196

= 128