Question number 49 please find
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Hi!
Here is yr answer...
= 9x² -3x -20
= 9x² - 15x + 12x -20
= 3x(3x-5) + 4(3x-5)
= (3x-5) (3x+4)
3x-5 = 0 => x = 5/3
3x+4 = 0 => x = -4/3
Hope it helps..
Here is yr answer...
= 9x² -3x -20
= 9x² - 15x + 12x -20
= 3x(3x-5) + 4(3x-5)
= (3x-5) (3x+4)
3x-5 = 0 => x = 5/3
3x+4 = 0 => x = -4/3
Hope it helps..
harsh12334:
Thanks
wlcm
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