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1.
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8h2 + -20h – -8 |
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8h2 + 16h – 20 |
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2.
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-20y2 – 26y – -60 |
|
60y2 – -60y + -32 |
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3.
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-45n2 + -87n + -36 |
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-36n2 – 9n – -33 |
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4.
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20d2 + -10d + -30 |
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-30d2 – -20d + 50 |
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5.
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-6r2 – 6r – -36 |
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36r2 + -15r + -36 |
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6.
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6s2 + 28s + -48 |
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-48s2 – 1s – 9 |
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7.
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-72s2 + 132s – 60 |
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-60s2 + 36s – 12 |
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8.
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-18z2 + 54z + -36 |
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-36z2 + 36z + -96 |
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9.
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-20x2 + -50x – 30 |
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-30x2 + 30x – -75 |
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10.
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4f2 – -10f + -6 |
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-6f2 + 2f + 9 |
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