Question

Factoriza e indica un factor primo:
M(a;b)= a^2 - 4 + 2ab + b^2

Answer 1

Explicación:

${a}^{2} + 2ab + {b}^{2} - 4 \\ = {(a + b)}^{2} - 4 \\ = (a + b -2)(a + b + 2)$