Question

The algebraic expression 25x2 +

16y2 + 9z2 – 40xy + 24yz – 24yz – 30zx is equal to:

A 4y + 3z – 5x)2

B (4y – 3z – 5x) (4x + 5y + 3z)

C (4y + 3z – 5x) (4x 5y – 3z)

D (4y – 3z – 5x)2

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