factorise 4a^2-9b^2-2a-3b
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184
= (2a)² - (3b)² - 2a - 3b
= (2a + 3b) (2a - 3b) - (2a +3b)
= (2a + 3b) (2a - 3b - 1)
= (2a + 3b) (2a - 3b) - (2a +3b)
= (2a + 3b) (2a - 3b - 1)
Saqlain:
Best answer
Answered by
129
4a² - 9b² - 2a -3b
= (4a²-2a) +(-9b² -3b)
= 2a (2a-1) -3b (3b - 1)
= (2a-3b) (2a-1+3b - 1)
= (2a+3b) (2a+ 3b -1)
= (4a²-2a) +(-9b² -3b)
= 2a (2a-1) -3b (3b - 1)
= (2a-3b) (2a-1+3b - 1)
= (2a+3b) (2a+ 3b -1)
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