Y=-x^2 is non linear due to the x being squared
You do the things in the parentheses first then multiply them by 2


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Step-by-step explanation:

- <u>dividing</u><u> the</u><u> </u><u>equivalent</u><u> </u><u>to </u><u>multiplying</u><u> </u><u>by </u><u>the </u><u>reciprocal</u>
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</u>
- <u>reduce </u><u>the </u><u>numbers</u><u> </u><u>with</u><u> the</u><u> </u><u>gr</u><u>e</u><u>atest </u><u>common </u><u>factor</u><u> </u><u>5</u>
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</u>
<h2><u>hope</u><u> it</u><u> helps</u></h2>
Answer:
81
Step-by-step explanation: