Question

simplify each of following x2-3x+5-1/2(3x2-5x+7​

Answer 1

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Answer 2

Step-by-step explanation:

$2x - 3x + 5 - \frac{1}{2} \times (3 \times 2 - 5x + 7) \\ = 2x - 3x + 5 - \frac{1}{2} \times (6 - 5x + 7) \\ = 2x - 3x + 5 - \frac{1}{2} \times - 6 + 5x + 7 \\ = 7x - 3x + 5 - 1 \times - 3 - 7 \\ = 4x + 5 + 3 - 7 \\ = 4x + 8 - 7 \\ = 4x + 1$