Question

(3x² - 2x + 1) - (x² + 4x - 5)
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Answer 1

Răspuns:

$2(x^2-3x+3)$

Explicație pas cu pas:

$\left(3x^{2}-2x+1\right)-\left(x^{2}+4x-5\right)\\=3x^{2}-2x+1-4x+5\\=2x^{2}-6x+6\\=2\left(x^{2}-3x+3\right)$