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Sagot :
Step-by-step explanation:
a=2,b=-4,c=7,d=-3
b-a(cd+b)+a=-4-2(7×-3)+2
=-6(-21)+2
=126+2
=128
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Answer: 48
Given:
a = 2
b = -4
c = 7
d = -3
Now
b - a(cd + b) + a
-4 -2(7(-3) + (-4)) + 2
-4 -2(-21-4) + 2
-2 -2(-25)
-2+50
48
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