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12 cards from this deck
ax2+bx+cax^2 + bx + cax2+bx+c where a≠0a \neq 0a=0
Presence of squared term like x2x^2x2
Quadratic expression
Multiply each term in 1st bracket by each term in 2nd
(x+5)(x + 5)(x+5) multiplied by itself: (x+5)(x+5)(x + 5)(x + 5)(x+5)(x+5)
Squaring each term individually
(3x−5)(3x−5)(3x - 5)(3x - 5)(3x−5)(3x−5), NOT (3x)2−52(3x)^2 - 5^2(3x)2−52
Break into steps: (a−2)(a−2)2(a - 2)(a - 2)^2(a−2)(a−2)2
Work out (a−2)2(a - 2)^2(a−2)2 first
Combining like terms at the end
Always quadratic
Multiply every term in one bracket by every term in other
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