Question

solve the following quadratic equations by factorisation xsquar +15x+54=0

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Answer 1

Answer:

Your answer is -54/15

Step-by-step explanation:

15x + 54 = 0

15x = 0 - 54

15x = -54

x = -54/15

Answer 2

Answer:

x= -9, -6

Step-by-step explanation:

$x^{2} +15x+54=0\\x^{2} +9x+6x+54=0\\x(x+9)+6(x+9)=0\\(x+9)(x+6)=0\\x+9= 0; x+6=0\\x=-9; x=-6$