1.

(-a+c)(-a+c)using identity( x+a ) ( x+b ) = x ²+(a+b)x+abx= -aa = cb = c​

Answer»

Step-by-step EXPLANATION:

(-a+c) (-a+B)

(-a)^2+(c+c)+(-a)(b)

(a)^2+(c+c)-AB



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