What should be the value of c if 8x2+ 4x + c = 15, when x = 1?
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Answer:
Value of x in the question = 1
According to the question
8×2+4x+c = 15
8×2+(4×1)+c = 15
16+4+c = 15
20+c = 15
20-15 = c
5 = c
So value of 'c' is 5.
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