Answer
$$2x^3+3x^2-34x+35$$
Work Step by Step
Performing the given operation and then combining like terms, we find:
$$2x^2x+2\cdot \:4xx-2\cdot \:7x-5x^2-5\cdot \:4x+5\cdot \:7 \\ 2x^3+3x^2-34x+35$$
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