algebra

Which equation is the standard form of −56x+14x^2=−51?

14x^2−56x+51=0
14x^2+51−56x=0
−56x+14x^2−51=0
14x^2−56x−51=0

I do believe it is A or D, is one of these correct?

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  1. −56x+14x^2=−51
    add 51 to both sides
    −56x+14x^2+ 51= 0
    fix the order
    14 x^2 - 56 x + 51 = 0

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  2. thank you so much!!!

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  3. I need help!
    14x^2 + 56x + 21
    how can I solve this using the distributive property getting the answer
    7(2x2 + 8x + 3)?

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