WEBVTT
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Expand and simplify two π₯ minus two times six minus π₯ plus π₯ minus four times π₯ minus five.
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First, we need to use the distributive property, and we need to foil.
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Two π₯ times six is 12π₯.
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Two π₯ times negative π₯ is negative two π₯ squared.
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Negative two times six is negative 12.
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And negative two times negative π₯ is positive two π₯.
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Bring down our addition sign.
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π₯ times π₯ is π₯ squared.
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π₯ times negative five is negative five π₯.
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Negative four times π₯ is negative four π₯, and negative four times negative five is positive 20.
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So now we need to combine like terms.
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Letβs start with the highest exponents; thatβs the squareds.
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So we have negative two π₯ squared plus π₯ squared.
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That would be negative one π₯ squared or negative π₯ squared.
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Now letβs add the Twelve π₯ plus two π₯ minus five π₯ minus four π₯ is equal to five π₯.
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And now our constants, negative 12 plus 20 is eight.
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So our final answer: negative π₯ squared plus five π₯ plus eight.