Step-by-step explanation:
-2x² + 5x - 3 - (-7 - 9x + 5x²)
= -2x² + 5x - 3 + 7 + 9x - 5x²
= -7x² + 14x + 4.
Hence the coefficient of the x term is 14.
Answer:
3120 think
Step-by-step explanation:
i just did 3x8x10x13
8=2^x
x=3
hope this helps (further explanation in picture)