Question

ge 34)
Q. Solve the following quadratic equations by
factorisation method :
(1) x? - 15x + 54 = 0what is final answer
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Answer 1

${\huge{\sf{\green{\underline{\underline{Question}}}}}}$

$x{^2}-15x + 54 = 0$

$x{^2} - (9+6) x + 54 = 0$

$x{^2} - 9x - 6x + 54 = 0$

$x(x-9) - 6(x-9) = 0$

$(x-6)(x-9) =0$

$x- 6= 0\:and\:x = 6$

$x - 9 = 0\:and\:x = 9$