Answer:
Option B, z = 2
Step-by-step explanation:
<u>Step 1: Factor</u>
z^2 - 4z + 4 = 0
<em>(z - 2)(z - 2) = 0</em>
<em />
<u>Step 2: Solve for z</u>
z - 2 + 2 = 0 + 2 and z - 2 + 2 = 0 + 2
z = 2 and z = 2
<em>Double root at z = 2</em>
<em />
Answer: Option B, z = 2
Answer:
35
Step-by-step explanation:
3x-15=90
3x=90+15
x=105/3
x=35
Answer:
-3
Step-by-step explanation:
Answer:it’s 3
Step-by-step explanation: imma big brain
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