Eylul30
26.02.2020 •
Mathematics
If C = 2a^2 - 5 and D = 3 - a , then C - 2D will equal ? Please answer ASAP!
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Ответ:
2a^2+−11
Step-by-step explanation:
Combine Like Terms:
=2a^2+−5+ −6
=(2a^2)+(−5+ −6)
=2a^2+−11
Ответ:
x = 11
Step-by-step explanation:
BC = AD
17 = x + 6
-6 -6
x = 11