Pregunta
Subtract \( 6 x^{2}-7 x-2 \) from \( 6 x^{2}-2 x+6 \)
Ask by Hodgson Greene. in the United States
Feb 03,2025
Solución de tutoría real
Respuesta verificada por el tutor
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The result of subtracting \(6x^{2} - 7x - 2\) from \(6x^{2} - 2x + 6\) is \(5x + 8\).
Solución
To subtract \(6x^{2} - 7x - 2\) from \(6x^{2} - 2x + 6\), follow these steps:
**Step 1:** Write down the subtraction expression.
\[
(6x^{2} - 2x + 6) - (6x^{2} - 7x - 2)
\]
**Step 2:** Distribute the negative sign to each term inside the second parentheses.
\[
6x^{2} - 2x + 6 - 6x^{2} + 7x + 2
\]
**Step 3:** Combine like terms.
- **\(x^{2}\) terms:**
\[
6x^{2} - 6x^{2} = 0
\]
- **\(x\) terms:**
\[
-2x + 7x = 5x
\]
- **Constant terms:**
\[
6 + 2 = 8
\]
**Step 4:** Write the final simplified expression.
\[
5x + 8
\]
**Answer:**
\[
5x + 8
\]
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The Deep Dive
To subtract \( 6x^{2} - 7x - 2 \) from \( 6x^{2} - 2x + 6 \), we'll perform the operation: \[ (6x^{2} - 2x + 6) - (6x^{2} - 7x - 2) \] Now, distribute the negative sign across the second polynomial: \[ 6x^{2} - 2x + 6 - 6x^{2} + 7x + 2 \] Next, combine like terms: 1. The \( 6x^{2} \) terms: \( 6x^{2} - 6x^{2} = 0 \) 2. The \( x \) terms: \( -2x + 7x = 5x \) 3. The constant terms: \( 6 + 2 = 8 \) Putting it all together, we get: \[ 0 + 5x + 8 \] Thus, the result is \[ 5x + 8 \]
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