3 years ago

I need help solving this problem.

Mathematics

2 answers:

sergiy2304 [10]3 years ago

7 0

The answer I got is x^3 + 14x - 9x

madam [21]3 years ago

6 0

(f+g-k)(x) means to add the equations f(x) and g(x) then subtract k(x)

2x^2 + 3x + 4x - 9 = 2x^2 +7x -9

2x^2 + 7x - 9 - x^2 -7x = x^2 -9

The answer is : x^2 - 9

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