4. Simplify by using property :
(a) 15 x (-25) + 15 X - 15
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Step-by-step explanation:
15×(-25+-15)
15×(-25-15)
15×(-35)
-525
Here's your answer...
Hope it helps
= 15 x ( -25 - 15 )
= 15 x -40
= - 600