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Solve by factorisation1.x2-15x+5=0 |
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Answer» ong>ANSWER: × = 6,9 × - 15 ×+54=0 2 =>× - 9×-6×+54=0 =>×(×-9)-6(×-9)=0 =>(×-9)(×-6)=0 x-9=0 =>×=9 x-6 =0 => ×=6 |
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