Question

(vii) (-a + c)(-a +c)​

Answer 1

Answer:

$a^2- 2ac + c^2$

Step-by-step explanation:

(-a + c)(-a +c)​

= -a(-a + c) + c(-a +c)​

= $a^2- 2ac + c^2$

Answer 2

Answer:

Step-by-step explanation:

=a^2-ac-ac+c^2

=a^2-2ac+c^2