Answer:
1
Step-by-step explanation:
Answer:
D
Step-by-step explanation:
(a+4)(a-2)=a^2+2a-8
a*a=a^2
a*(-2)=-2a
a*4=4a
4*(-2)=-8
a^2-2a+4a-8=a^2+2a-8
Answer:
Step-by-step explanation:
Th correct one is the third box
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Answer:
with x being square rooted.
Answer:flowchart proof
Step-by-step explanation: