1. What number will make this expression a perfect square trinomial? Show your work. x2 - 6x +
2 answers:
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Answer: -418, 728, 446, -429, 1159, -696
Step-by-step explanation:
1. .
2. .
3. .
4. The sum of 429 and 429 is . We need to subtract this from 429, so
.
5. The sum of 510 and 319 is . Subtracting -330, we get
.
6. Call the unknown number "". Then
, so
. (Think about it.)