Question

(a) (7x+5y)(7x+5y) use appropriate identity to find it's products​

Answer 1

Answer:

49x²+24xy+25y²

Step-by-step explanation:

(7x+5y)²=(7x)²+2×7x×5y+(5y)²

           =49x²+24xy+25y²

Answer 2

Step-by-step explanation:

(a+b)2

(7x+5y)2

(7x)2+(5y)2 + 2(7x)(5y)

49x2+25y2+70xy