Answer:
-2x^2 +8x -13
Explanation:
subtract the g(x) equation from f(x) equation
4x^2 +5x -8 -(6x^2 -3x +5) ➡ 4x^2 +5x -8 -6x^2 +3x -5
=-2x^2 + 8x -13
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