Question

simply and find the value expression see? 5x²-4-3x²+6x+8+5x-13 when x= -2​

Answer 1

Answer:

21

Step-by-step explanation:

as

5x²-4-3x²+6x+8+5x-13

5x²-3x²+6x+5x+8-4-13

2x²+11x-9

2×2² + 11×2 -9

2×4 + 22 - 9

8 + 22 -9

30 -9

21