Faktor Menggunakan Kalkulator

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Backward method Casio fx570MS ãMode 3x ãEqn – 1 ãUnknowns – enter ãDegree - 2 Mohd nazan kamarul zaman SMK. Kota Klias, Beaufort 1 x2 + 5x + 6 = 0 Step 1 : a = +1 , b = +5 , c = +6 Step 4 Step 3 Step 2 ( x+2 )( x+2=0 x=-2 or x+3)=0 x+3=0 x=-3 1 Solve the quadratic equation 3 x 2 −3 x =2 x +6 3x 2 − 5 x − 12 = 0 4 3x + 4 = 0 3x = 4 4 3x 2 − 3x =2 x+6 3 x − 3 x = 2( x + 6) 2 2 ( 3x + )( x - 3)=0 x – 3 = 0 1 mark 3 x − 3 x = 2 x + 12 3 x 2 − 3 x − 2 x −12 = 0 3 x 2 − 5 x − 12 = 0 1 ma
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  Backward method  Casio fx570MS ã Mode 3x  ã – Eqn 1 ã – Unknownsenter ã- Degree 2 Mohd nazan kamarul zamanSMK. Kota Klias, Beaufort  1 x 2 + 5x + 6 = 0  Step 3 x + 2 = 0 x + 3 = 0 Step 1 : a = +1 , b = +5 , c = +6 Step 2 x = - 2 or x = - 3 Step 4 ( x + 2 ) ( x + 3 ) = 0  1 Solve the quadratic equation   2633 2 =+−  x x x 01253 012233 12233 )6(233 2633 22222 =−−=−−− +=−+=−=+−  x x x x x x x x x x x x x x 3340)()( 01253 2 =−===−−  x x x x   1 mark = - 3x4 – = x 30 - x 3   + = 3x 40 + 3x4   1 mark   1 mark1 mark Great ! job  The end
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