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2q
The difference of p and q can be written : p - q Twice the difference is therefore 2 x (p - q) which can also be written as 2(p - q) OR 2p - 2q. Consequently you can create another variable (say) y and make this equal to twice the difference of p and q by simply writing, y = 2(p -q)
Well, darling, to write twice the difference of p and q, you simply calculate 2 times (p - q). It's as easy as baking a pie, just double the result of subtracting q from p. So, go ahead and show those numbers who's boss!
Qx2+4
The expression "p + 2q" represents the sum of a variable p and twice the value of another variable q. This can also be written as p + 2 * q, where the asterisk denotes multiplication. In algebraic terms, this expression cannot be simplified further unless specific values are assigned to the variables p and q.