find the roots of the quadratic equation X square - 9 X + 20 is equal to zero by factorization
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Answered by
38
Hope it helps...... ...
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thanks for your answer
are u from 10
if can u send me any sample papers maths
Answered by
6
By sllitting the midle term....
x^2 - 9x + 20
= x^2 - 5x - 4x +20
= x(x - 5) - 4(x - 5)
= (x - 4) (x - 5)
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