23. If 3x + 7 = x2 + P = 7x + 5, what is
the value of p
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Answered by
4
Answer:
p = 33/4
Step-by-step explanation:
let. 3x + 7 = x² + p -------(1)
and. 3x + 7 = 7x + 5 ------(2)
from eq. (2)
3x + 7 = 7x + 5
7 - 5 = 7x - 3x
2 = 4x
x = 2/4
x = 1/2
put x in eq. 1
3x + 7 = x² + p
3(1/2) + 7 = (1/2)² + p
3/2 + 7 = 1/4 + p
3/2 + 7 -1/4 = p
(6 + 28 - 1)/4 = p. (taking LCM)
p = 33/4
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