Question

A square minus b square + 2 b c minus C square

Answer 1

Step-by-step explanation:

${a }^{2} - {b }^{2} + 2bc - {c}^{2}$

${a}^{2} - ( {b }^{2} - 2bc + {c}^{2} )$

${a}^{2} - (b - c) {}^{2}$

(a+b-c) (a-b+c)

answer