Answer:
c)
(10x+5)-(-23-2x)=
10x+5+23+2x
=12x+28
2x+5x^2-(3x+7x^2)=
2x+5x^2-3x-7x^2
= -2x^2-1
-26
Step-by-step explanation:
so, the absolute value of 3 and 11 together is 14.
14-(15+3+2)2
14-(20)2
14-40
Check the image