Question

add step wise using horizontal method

1 ) a⁴+b⁴+2a²b², 2a⁴-7b⁴-4a²b², 2a⁴-3b⁴​

2) -5/6a²b , -3/18a²b , 1/12a²b

3) 7a+ 5b-3c , 6a-2b +2c , 5a + 4b-4c

4) -x² - y²-z² , 2x² + 3y² + 4z² , -x² − z²​

Answer 1

Answer:

Step-by-step explanation:

Answer