if a question says is -a a zero of (some equation)

can you just plug in all the x's as -a and see if you get zero?

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  1. For the first equation, let's plug in x = 1:5(1) + 5 = 5(1) + 4 5 + 5 = 5 + 4 10 = 9 Since the equation is false, this
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  2. For the first equation, let's plug in x = 1:5(1) + 5 = 5(1) + 4 5 + 5 = 5 + 4 10 = 9 Since the equation is false, this
    1. answers icon 1 answer
  3. Let's plug in x = 1 into the first equation:5(1) + 5 = 5(1) + 4 10 = 9 This equation is clearly false, indicating that x = 1 is
    1. answers icon 1 answer
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