Answer:
For the first one:
Insert a "-4".
For the second one:
Insert a "+4".
I do not think you would like to hear that explanation
Answer:
third option
Step-by-step explanation:
well, since
52 = –4•4 + 68 and
52 = 8•4 + 20
Well x^2 is the same as x-squared (I don't know how to type it).
So to start off, you have x-squared-4x-12
Then you just have to combine the x's, and 1x-4x=-3x
so your final answer would be -3x-squared-12
Answer:
key details, because it tells you more about the story
x = 19!
Proof:
For the other equation,
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