Answer:
-8y^2+9y-45
Step-by-step explanation:
symbolab.com
The answer is 20 because you plug in x=2 into f(x)

<span><span>The sum of a squared and b is given by

</span>7 times the sum of a squared and b is given by
</span><span>
while 4 times the sum of a squared and b is given by
</span>

Therefore, <span>7 times the sum of a squared and b minus 4 times the sum of a squared and b is given by

</span>