Find the value of the expression x3 + 2x² -2 for x = – 2.
Answers
Answered by
0
Answer:
x=5
Step-by-step explanation:
x+2,2x,2x+3
(2x)-(x+2)=(2x+3)-(2x)
2x-x-2=2x+3-2x
x-2=3
x=5
Similar questions
Accountancy,
9 days ago
Science,
9 days ago
History,
9 days ago
India Languages,
18 days ago
Math,
9 months ago
Math,
9 months ago