Answer:
19x^7 - 14d
Step-by-step explanation
Step 1:
((8 • (x7)) - 14d) - (0 - 11x7)
Step 2:
(23x7 - 14d) - -11x7
Step 3:
19x7 - 14d
WORKING:
= 8x^7 - 14d + 11x^7
Group like terms
= 8x^7 + 11x^7 - 14d
Add similar elements 8x^7 + 11x^7 = 19x^7
= 19x^7 - 14d
FINAL ANSWER:
