Answer:
-x
Explanation:
(x+3)(x-4)
x(x) +x(-4) +3(x) +3(-4)
x^2 + -4x +3x -12
x^2 -x-12
Hope fully this is what a middle term means :)
(x + 3)(x – 4) = x^2 - 4x + 3x - 12 = x^2 - x - 12
The middle term is -x.
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