Math, asked by ranarishan, 11 months ago

Factorise 25x2 + 16 y2 + 4 z2 - 40xy +16yz - 20zx

Answers

Answered by suranatarun

4

Step-by-step explanation:

25x² + 16y² + 4z² - 40xy + 16yz - 20zx

(-5x)² + (4y)² + (2z)² +2(-5x)² + 2(4y)(2z) +2(-5x)(2z)

(4y + 2z - 5x)²

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