Question

*(x + 3) (x - 4) = ?* 1️⃣ x² - x + 12 2️⃣ x² + x - 12 3️⃣ x² - x - 12 4️⃣ x² + x +12ytdug8y788dur84u94u4​

Answer 1

3. x² - x - 12

$\rule{10cm}{0.05cm}$

• ( x + 3 )( x - 4 ) = x.x - 4.x + 3.x -3.4

• $\red{\implies}$ x² - 4x + 3x - 12

• $\red{\implies}$ x² - x - 12

$\rule{10cm}{0.05cm}$

Answer 2

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