Question

simplify
a*a - (-a)*(-a)

Answer 1

hey mate,

here is your answer

a2+a×-a=a2-a2

=0

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Answer 2

simplify

Step-by-step explanation:

$\ Given \ that:\\\\\ a \times \ a \ - \ (-a) \times \ (-a)\\\\\therefore \ a \ * \ a \ = \ a \times \ a \ = \ a^2\\\\\because \ - a \ * \ -a \ = \ -a \times \ -a \ = \ a^2\\\\\ Solve:\\\\\rightarrow \ a \times \ a \ - \ ((-a) \times \ (-a))\\\\\rightarrow \ a \times \ a \ - \ (-a \times \ -a)\\\\\rightarrow \ a^2 \ - \ a^2 \\\\\rightarrow \ 0$

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