60x^2-70x-30( factorise the following polynomial)
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Step-by-step explanation:
60x² - 70x - 30 = 0
10(6x² - 7x - 3) = 0
6x² - 7x - 3 = 0
6x² - 9x + 2x - 3 = 0
3x(2x - 3) +1 ( 2x - 3) =0
(2x - 3)(3x + 1) = 0
case 1
( 2x - 3) = 0
x = 3/2
case 2
3x + 1 = 0
x = -1/3
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