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1(a) Simplify 3x (4x - 5) + 3 and find its values for (i) x = 3 (ii) x =1/2 |
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Answer» -step EXPLANATION:opening bracket first we get12x^2-15x+3 PUTTING x=3 we GET 12(3)^2-15(3)=12*9-45=108-45=63putting 1/2 as x we get12(1/2)^2-15(1/2)=12*1/4-15/2=3-15/26-15/2-9/2 |
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