Find the roots of the following quadratic equations by factorisation:x(x+4)= 12​

Question

Find the roots of the following quadratic equations by factorisation:x(x+4)=
12​

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Katherine 1 month 2021-08-14T07:22:35+00:00 2 Answers 0 views 0

Answers ( )

    0
    2021-08-14T07:23:48+00:00

    x(x+4)=12

    x²+4x-12=0

    x²+6x-2x-12=0

    x(x+6)-2(x+6)=0

    (x-2)(x+6)=0

    roots :-

    x-2=0

    x=0+2

    x=2

    1st root = 2

    x+6=0

    x=0-6

    x=-6

    2nd root = -6

    0
    2021-08-14T07:24:01+00:00

    Answer:

    +6 and -2 are the roots of this equation

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