Use simultaneous equations:
2x + 7 = x^2 + 8x - 9
7 = x^2 + 6x - 9
16 = x^2 + 6x
+ or - 4 = 7x
answer is
-4/7 or 4/7
Answer:
3rd
Step-by-step explanation:
Answer:
Both plans are correct
Step-by-step explanation:
I already did it
Answer:
Step-by-step explanation:
i got it correct:)