Find the value of the following expression when x=-2in5x2+5x-2
Answers
Answered by
1
Answer:
-223
Step-by-step explanation:
5×2+5x-2
(5×2)+5(-2)-2
(10+5)×(-2)-2
15×(-2)-2
-225-2
-223
Answered by
0
Step-by-step explanation:
x = -2
sub,
- 5x²+5x-2
- 5(-2)²+5(-2)-2
- 5(4) - 10 -2
- 20-12
- 8
therefore ans is 8...
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