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Natalka [10]
2 years ago
9

F(x) = -7x2 + 9x - 15 and g(x) = -12x2 – 15x + 7

Mathematics
1 answer:
djyliett [7]2 years ago
3 0

Answer:

{5x}^{2}  + 6x =  - 8

Step-by-step explanation:

This question is asking you to insert two equations, f(x) and g(x), into the equation g(x) - f(x). This will lead to the equation below.

{ - 12x}^{2}  - 15x + 7 - ({ - 7)x}^{2}  + 9x - 15

Now we can solve for the equation.

{ - 5x}^{2}  - 6x - 8 = 0 \\   {5x}^{2}  + 6x =  - 8

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