21. Find the standard form of the equation. 100x + 600x+16y² +160y – 300 = 0 (x+5)* , (v+3)² [A] = 1 100 16 (x+5)* , (v + 3)* [B] 16 :1 100 (x+3)° , (v+5)*. [C] 16 :1 100 (x+3)° , (v+5)² [D] = 1 16 100

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