The first one is 10k²-7k-6
The second answer is 8k²-26k+18
We Need To Remember Order of Operations.
So, We Do:
4+5.
We Know That 4 + 5 = 9, So We Have:
9 <span>÷ 3 * 4
Now, We Do:
9 </span><span>÷ 3
This Is 3, So We Have:
3 * 4.
We Know That 3 * 4 Is 12, So:
We Know That The Answer To This Expression Is 12.</span>
Hi you can change the scientific notation to standard notation. Then go from there