alexitorios2005
alexitorios2005
18-10-2020
Mathematics
contestada
2(5x+5) + 9(x-10) + 9-squared
Respuesta :
lisa1813906
lisa1813906
18-10-2020
Step-by-step explanation:
We'll use BODMAS to solve this
Open the brackets :
2(5x+5)+9(x-10)+9sq = 10x+10+9x-90+81
Then we arrange them accordingly :10x+9x+10-90+81
We then calculate :19x+10-90+81
BODMAS :19x+91-90 = 19x+1
ANSWER :19x+1
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