If the Square of twice a number is 9 more than trice the square of the given numbee, than the number can (a) 6 or –

Question

If the
Square
of twice a number is
9 more than trice the square of the
given numbee, than the number can
(a) 6 or -6
(b) 3 or -3
(c)5 or -5

answer me fast
with step by step…..​

in progress 0
Adalynn 2 weeks 2021-11-19T17:54:27+00:00 2 Answers 0 views 0

Answers ( )

    0
    2021-11-19T17:55:50+00:00

    Answer:

    Let x be the number

    Then by the given condition

    (2x) ² = 3x² + 9

    4x² = 3x² + 9

    x² = 9

    x = 3 or 3

    So the required answer is (b) 3 or -3

    Please Mark it Brainliest

    0
    2021-11-19T17:55:54+00:00

    x = 3….

    HOPE IT HELPS U...

Leave an answer

Browse

14:4+1-6*5-7*14:3+5 = ? ( )