Answer: Which of the following expressions cannot be factored? Explain.
a. 6 + 3x
b. 7x + 3
c. 15x + 10
d. 30x + 40
Step-by-step explanation:
5/1, 15/3, and 10/2 are all valid answers to that question.
Add 8 on both sides of the equation.
x = -12
There’s your answer!
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