factorise 30x³y + 24x²y² - 6xy
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Step-by-step explanation:
The greatest monomial that is a common factor of the three terms is 6xy.
... 30x3y + 24x2y2 - 6xy = 6xy(5x2 + 4xy – 1)
(ii) Here the polynomial (a – b) is a common factor.
...5x(a – b) + 6y(a – b) = (a – b)(5x + 6y)
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