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9(2a-b)'2 -4(2a-b)-13 |
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Answer» [18a-9b-13][2a-b+1] Step-by-step explanation: So, = 9x²-4x-13 = 9x²+9X-13x-13 = 9x(x+1)-13(x+1) = (9x-13)(x+1) Now replacing the x by (2a-b), = [9(2a-b)-13][(2a-b)+1] = [18a-9b-13][2a-b+1] Hope this helps. |
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