8a79927c-250b-4d2a-b96b-586da831b98f.html

<h4>Warm Up Activity</h4>
<div class="os-raise-ib-cta" data-button-text="Solution" data-fire-event="Reveal1" data-schema-version="1.0">
  <div class="os-raise-ib-cta-content">
    <p>Elena says, "\((x+3)^2\) can be expanded into \(x^2+6x+9\). Likewise, \((2x+3)^2\) can be expanded into \(4x^2+6x+9\)."</p>
    <p>Find an error in Elena's statement and correct the error. Show your reasoning.</p>
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  <div class="os-raise-ib-cta-prompt">
    <p>Write down your answer, then select the <strong>solution</strong> button to compare your work.</p>
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<div class="os-raise-ib-content" data-schema-version="1.0" data-wait-for-event="Reveal1">
  <p>Compare your answer:</p>
  <p>\((2x+3)^2\) is not equivalent to \(4x^2+6x+9\).</p>
  <p>Applying the <span class="os-raise-ib-tooltip" data-schema-version="1.0" data-store="glossary-tooltip">distributive property</span> to \((2x+3)(2x+3)\) gives \(4x^2+6x+6x+9\), which is \(4x^2+12x+9\).</p>
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