Work Step by Step
Use the FOIL method on the second and third sets of parentheses. Then combine like terms. $(5x^2+2x-8)+(3x-5)^2$ $=(5x^2+2x-8)+(3x-5)(3x-5)$ $=(5x^2+2x-8)+(9x^2-30x+25)$ $=14x^2-28x+17$
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