Question

(90)^2 - (10)^2 solve by using identity​

Answer 1

Answer:

a²-b²

(a+b)(a-b)

(90+10)(90-10)

100×80

8000 is the answer using identity

Answer 2

Answer:

heyyy mate here is your answer.

i hope it will help you.

please mark me as the brainliest.

Step-by-step explanation:

${x}^{2} - {y}^{2} = (x + y)(x - y) \\ \\ {90}^{2} - {10}^{2} = (90 + 10)(90 - 10) \\ = (100)(80) \\ = 8000$