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32. 2x=64 can be written as x = 64/2. 64/2=32
3x+1+2x-2 = 64 3x+2x = 64-1+2 5x = 65 x = 13
Do you mean '16x^(4) -1 ; or ' (16 X 4 ) - 1' . Reason , the answers will be different. 16x^(4) - 1 = (2x)^(4) - 1^(4) = ((2x^(2) - 1^(2))((2x)^(2) + 1^(2)) = (2x - 1)(2x +1)((2x)^(2) + 1^(2)) = (2x - 1)(2x + 1)((2x)^(2) + 1) 2 & ( 16 X 4 ) - 1) = 64 - 1 = 63
(x - 2)(x + 2)(x2 - 2x + 4)(x2 + 2x + 4)
-64 : 2x(-16) = 2