simplify 3x(4x-5)+3 and find its value for (i)x=1/2
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Answered by
3
x=1/2
3×1/2 (4×1/2-5)+3
=3/2 (-3)+3
=-9/2+3
-3/2
3×1/2 (4×1/2-5)+3
=3/2 (-3)+3
=-9/2+3
-3/2
KHUSH127:
tell me how -3/2 comes
-9/2+3=-9/2+6/2=-3/2
ok by LCM
thnks
Answered by
3
12x^-15x+3
12(1/2)^-15(1/2)+3
12/4-15/2+3
3-15/2+3
6-15/2
-3/2
12(1/2)^-15(1/2)+3
12/4-15/2+3
3-15/2+3
6-15/2
-3/2
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