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Solve the quadratic equation by factorisation method x²-5x-36=0 |
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Answer» Step-by-step explanation: ANSWER x 2 −5x−36=0 ∴x 2 −(9−4)x−36=0 ∴x 2 −9x+4x−36=0 ∴x(x−9)+4(x−9)=0 ∴(x−9)(x+4)=0 ∴x=9 or x=−4 |
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