Question
Find following products:
$(x-4)(x-4)$
$(x-4)(x-4)$
✓
Answer
$(x-4)(x-4)$
$=(x-4)^2$
$=(x)^2-2 \times x \times 4+(4)^2$
$=x^2-8 x+16$
$=(x-4)^2$
$=(x)^2-2 \times x \times 4+(4)^2$
$=x^2-8 x+16$
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