Question

Decompuneti in produs de doi factori expresia
X la a doua +4x+3​

Answer 1

Răspuns:

${x}^{2} + 4x + 3 = \\ {x}^{2} + 3x + x+ 3 = \\ x \times (x + 3) + (x + 3) = \\ = ( x + 3) \times ( x+ 1)$

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