herinchi
herinchi herinchi
  • 17-12-2021
  • Mathematics
contestada

evaluate (105-15)square​

Respuesta :

maheshsinghmeenu
maheshsinghmeenu maheshsinghmeenu
  • 17-12-2021

Answer:

14400

Step-by-step explanation:

(105-15)²

We will solve it with Identity:

(a-b)² = a²+2ab-b²

So,

  • 105²+ 2(105)(15)+15²
  • 11025+ 2(1575) +225
  • 11025+3150+225
  • 14400

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