(7x2+3x+9)-(6x2+9x+18)
kundan83:
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Hii friend,
(7X²+3X+9) - (6X²+9X+18)
= 7X²+3X+9-6X²-9X-18
= X²-6X-9
= X²-3X-3X-9
= X(X-3) +3 ( X-3)
= (X-3) ( X+3)
= X-3 = 0 OR X +3 = 0
X = 3. OR X = -3
HOPE IT WILL HELP YOU.... :-)
(7X²+3X+9) - (6X²+9X+18)
= 7X²+3X+9-6X²-9X-18
= X²-6X-9
= X²-3X-3X-9
= X(X-3) +3 ( X-3)
= (X-3) ( X+3)
= X-3 = 0 OR X +3 = 0
X = 3. OR X = -3
HOPE IT WILL HELP YOU.... :-)
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