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Example 2 solve x2 + 7x + 12 = 0 x2 + 7x + 12 = 0 b = 7, ac = 12 x2 + 4x + 3x + 12 = 0 x(x + 4).
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Question with hints and then questions for you to work through on your own. Web solving quadratic equations by factoring date_____ period____ solve each equation by factoring. Web use factorisation to solve the following quadratic equations a) x2 −3x+2=0 b) 5x2 =20 c)x2 −5=4x d) 2x2 =10x e) x2 +19x+60=0 f) 2x2 +x−6=0 g) 2x2 −x−6=0 h) 4x2 =11x−6 3.
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Web using the quadratic formula date_____ period____ solve each equation with the quadratic formula. Give your solutions in surd form. Solving quadratic equations by completing the square example suppose we. + 7)( + 4) = 0.
1.\:\:X^ {2}=\Frac {1} {4} 2.\:\:X^ {2}=\Frac {1} {2} 3.\:\:X^ {2}=\Frac {1} {3} 4.\:\:T^ {2}=\Frac {1} {9} 5.\:\:X^ {2}=\Frac {9} {16} 6.\:\:X^2=\Frac {4} {25} 7.\:\:M^2=\Frac {25} {36} 8.\:\:X^ {2}=\Frac {4} {9}
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