7times the sum of a squared and b minus 4 times the sum of a squared and b

Let's solve this problem step by step.

First. The sum of a squared and b

Second. 7 times the sum of a squared and b

Third. 4 times the sum of a squared and b

Finally. 7 times the sum of a squared and b minus 4 times the sum of a squared and b

And this is:

555.99.

step-by-step explanation:

hope this

fist on the left goes with the third on the right. second on the left goes with the fourth on the right. third on the left goes with the second on the right. the fourth on the left goes with first on the right