<span>3x^3 + 36x^2 + 12x - 21</span>
Write it as a mixed fraction 7/5 = 1 2/5
Answer:
-3
Step-by-step explanation:
Since x=1, we can simplify the equation to 9+7y=-12.
To find the value of 7y, we first have to find what is missing.
-12-9=-21, so 7y has to be equal to -21. -21/7 equals -3, so y=-3.
