х^2-5x-36=0solve by factorization method
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Answer:
9,-4
Step-by-step explanation:
х^2-5x-36
x^2-(9-4)x-36
x^2-(9-4)x-36
x^2-9x+4x-36
= x(x-9)+4(x-9)
=(x-9)(x+4)
(x-9)=0. (x+4)=0
x-9=0. x+4=0
x=9. x= -4
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