substituting negative numbers into formulas

all
$u+at$
$lwh$
${v+u}/2$
${2u+3v}$
${PQ}/R$
$b^2-4ac$
$ut+1/2at^2$
$u^2+2as$
$1/2mv^2$
$I^2R$
$(PQ)^2$
$I^2V^2$
$x^2-y^2$
$x^2+y^2$
$a^2-2ab+b^2$
$a^2+2ab+b^2$
$x^2y+y^3$
$(a-b)^3$
$2(a-b)+3(a+b)^2$
Click on the pink box that has the correct answer to the question at the top.
If you don't know what to do click the "show me" button.
 
   
   
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