17. Solve by factoring: x2 - 4x – 21= 0 The two possible solutions po- form...

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Answer is 62

L x - 4x -21 = 0 xa 4x + 3x - 2120 T x(x-) 3( x4) = 0 (x+3)(x-7) = 0 x=3 and 7 E-9 let a=-3 Q=-3 and tualuate att tato 63) +

Answer 2

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