The given expression is :
2xx+3-5(x-2)
We know that, 
Aleena expands 2xx+3-5(x-2) as 2x²+3-5x-10. She is mistaken because the sign before 10 should be +10 instead of -10. Hence, the correct expanded form is 2x²+3-5x+10. Hence, this is the required solution.
lateral area = 2 X pi X r X H
= 2 x 3.14 x 5 x 9 = 282.6
Answer:
0.399
Step-by-step explanation:
3 4
0.057
x 7
_________
0.399
Answer:
2x squared +1 (-)x squared -7 is
a.) x squared +8
Step-by-step explanation:
:)
Answer:
Step-by-step explanation:
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