Question

Evaluate:
1. (7/8×+4/5y)²
​

Answer 1

Answer:

There are 2 variables but one equation. Hence we cannot find out the values of x and y numerically.

We can represent x by y

Answer 2

Answer:

just use formula (a+b)²= a²+b²+2ab

Step-by-step explanation:

• 49/64x²+16/25y²+2•7/8•4/5
• 49/64x² + 16/25y² + 35

HOPE YOU UNDERSTAND