Answer:-3
Step-by-step explanation:
you take the 3x to the right side of the equal sign
you then change the sign of 3x to -3x
Answer:
4th option
7x(8x² - 4y² + 3y - 5) ← multiply each term in the parenthesis by 7x
= 56x³ - 28xy² + 21xy - 35x
