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P=m^2-4c Work out the value of P when m=-5 and c=3

Sagot :

Answer:

P = 13

Step-by-step explanation:

Given

P = m² - 4c

substitute m = - 5 and c = 3 into the right side

P = (- 5)² - 4(3) = 24 - 12 = 13