The answer is false, it is only true for postulates, not conjectures.
Answer:
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Step-by-step explanation:
Do FOIL, first outside inside last
3x × 3x = 9x^2
3x × -7 = -21x
7 × 3x = 21x
7 × -7 = -49
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So it would just be 9x^2 - 49
Answer:
A. &. D
Step-by-step explanation:
Open and to the right.