pls matino po sana paki sagot ng maayos brainliest plus followback ko po ung mag aanswer ng tama

Answer:
(a-b) ² =a²-2ab+b²
So, For x²-8x+k
when k=16
x²-8x+k=x²-8x+16 =(x-4) ²
So, k=16
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