Question

please solve this. then i will thanks all your answers​

Answer 1

Answer:

Step-by-step explanation:

(120)^2

(100+20)^2

(100)^2+(20)^2+ 2(100) (20)

10000+400+2(2000)

10000+400+4000

14400

hope it helps

Answer 2

${120}^{2}$

$= (100 + 20)^{2}$

${100}^{2} + 2 \times 100 \times 20 + {20}^{2}$

$= 10000 + 4000 + 400$

$14400$

Mark my answer as brainlist....