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23 March, 10:00

What number must you add to complete square?

x2+10x=8

answers

A. 10

B. 15

C. 25

D. 5

+1
Answers (1)
  1. 23 March, 10:55
    0
    To complete the square you take the coefficient of the 'b' term (10), divide it by 2 (10/2), then square it (5^2 = 25). This is the number you add.

    Letter C 25
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