Nathaliasmiles
Nathaliasmiles Nathaliasmiles
  • 06-03-2019
  • Mathematics
contestada

Find the value of the expression below for x=10

x² - 2(x + 5)

A. 10
B. 70
C. 85
D. 90

Respuesta :

juniorherrea45
juniorherrea45 juniorherrea45
  • 06-03-2019
Answer is B

Work:
10^2 -2(10+5)
100- 2(15)
100-30
=70
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