Deck 2.7 — 34 cards for “Equations, formulae and identities (2.7)”.
When completing the square for the expression x2+bx+cx^{2}+bx+cx2+bx+c, explain how to find the value of ppp in the expression (x+p)2+q\left(x + p\right)^{2} + q(x+p)2+q.
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