8a² - 4b + 7a² and 5(3a² - 2b) + 6
First, simplify the expressions.
1) 8a² - 4b + 7a²
Add like terms.
15a² - 4b
2) 5(3a² - 2b) + 6
Distribute 5 by multiplying the number to each terms inside the parenthesis.
15a² - 10b + 6
15a² - 4b ≠ 15a² - 10b + 6
Solution: The expressions are not equivalent.
