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12 cards from this deck
Reverse of solving - start with roots, create equation
(x−a)(x−b)=0(x - a)(x - b) = 0(x−a)(x−b)=0
Change the sign of each root
(bx−a)(bx - a)(bx−a)
(2x−1)(2x - 1)(2x−1)
(3x+1)(3x + 1)(3x+1)
Multiply both sides by the denominator
FOIL or grid method
ax2+bx+c=0ax^2 + bx + c = 0ax2+bx+c=0
Substitute each root - should equal zero
Identify the roots given in the question
Always check your signs
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