2)i) Find the value of the polynomial 2x-2x +7 using
a) x=3
b)x= -1
Answers
Answered by
2
given equation---> 2x-2x+7
if = 3
2(3)-2(3)+7
=6-6+7
=7
if x=-1
2(-1)-2(-1)+7
=-2+2+7
=7
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Answered by
3
Answer:
a) 2x-2x+7
=2×3-2×3+7
=6-6+7
=0+7
=7
b) 2x-2x+7
=(2×-1)-(2×-1) +7
=-2-2+7
=-4+7
=3
Step-by-step explanation:
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