The answer is X2-10X+21
Explanation: If u put the equation in the graphing calculator 3 and 7 both equal zero meaning they are the x’s of the situation.
Answer: it’s 3.5
Step-by-step explanation:
Answer:

Step-by-step explanation:

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Answer:
x = 1
Step-by-step explanation:
5-7x = 8-4x-6
5-7x = -4x+2
5 = 3x+2
3 = 3x
x = 1