Question

Simplify using property:
1) –87x1026
2) –55x997.

Answer 1

Answer:

1) -(90-3) x (1000+26)

= (-90x1000) + (-90x26) + (3x1000) +( 3x26)

= -90000 - 2340 +3000+78

= -92340 + 3078

=-89262

2) -(60-5) x (1000-3)

= (-60x1000) +(-60 x-3) + (5x1000) +(5x-3)

= -60000 + 180+5000-15

= -54835

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