Question

(16*16) + (21*21) - (13*13) + ? = (25*25)

Answer 1

(256)+(441)-(169)+a=(625)

(697-169)+a=625

528+a=625

a=625-528

a=97

where a is the ?

Answer 2

Answer:

97

Step-by-step explanation:

(16 × 16) + (21 × 21) - (13 × 13) + x = (25 × 25)

256 + 441 - 169 + x = 625

697 - 169 + X = 625

528 + x = 625

x = 625 - 528

x = 97 ( Ans )