Question

using the properties find the square of the number 25 square ​

Answer 1

ANSWER = 625

STEP-BY-STEP EXPLANATION :

WE know that, (a+b) ²= a² + b² + 2ab

(25)² = (20+5)²,where a =20 and b=5

Using property, answer :

20²+5²+(2×5×20)

400+25+200

625

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