6 Simplify: 3x (4x - 5)*4 3 and find its values for (i)
x= 3 (ii) x = 1/2 7. Simplify: (x - 5)(x + 5) + 25
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Step-by-step explanation:(x-5)(x+5)+25
(I)- (3-5)(3+5)+25 2×8+25 =16+25. =41
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