You can download photo math to do that
I can’t read the bottom half of the fraction so I will just assume it’s (a-b) to the power of 3.
So basically you have power of 4 and power of 3. so you can divide the top and bottom by (a-b) to the power of 3 so you would be left with a-b/1 = a-b
Final answer: a-b
Answer:
39
Step-by-step explanation:
284-5(7)²
284-(5×49)
284-245
39