Question
upstudy study bank question image url

\[ (7 w+5)\left(4 w^{2}-w-3\right) \] Simpily your anower.

Ask by Deleon Gross. in the United States
Jan 23,2025

Real Tutor Solution

Tutor-Verified Answer

Answer

The simplified expression is \( 28w^{3} + 13w^{2} - 26w - 15 \).

Solution

Certainly! Let's simplify the expression: \[ (7w + 5)(4w^{2} - w - 3) \] **Step 1: Distribute each term in the first polynomial to each term in the second polynomial.** \[ \begin{align*} (7w + 5)(4w^{2} - w - 3) &= 7w \cdot 4w^{2} + 7w \cdot (-w) + 7w \cdot (-3) \\ &\quad + 5 \cdot 4w^{2} + 5 \cdot (-w) + 5 \cdot (-3) \end{align*} \] **Step 2: Perform the multiplication.** \[ \begin{align*} &= 28w^{3} - 7w^{2} - 21w + 20w^{2} - 5w - 15 \end{align*} \] **Step 3: Combine like terms.** \[ \begin{align*} 28w^{3} &+ (-7w^{2} + 20w^{2}) + (-21w - 5w) - 15 \\ &= 28w^{3} + 13w^{2} - 26w - 15 \end{align*} \] **Final Simplified Expression:** \[ 28w^{3} + 13w^{2} - 26w - 15 \]

Reviewed and approved by the UpStudy tutoring team

error msg
Explain
Simplify this solution

Beyond the Answer

To simplify the expression \((7w + 5)(4w^2 - w - 3)\), we will use the distributive property, also known as the FOIL method for binomials: 1. Multiply \(7w\) by each term in the second expression: - \(7w \cdot 4w^2 = 28w^3\) - \(7w \cdot (-w) = -7w^2\) - \(7w \cdot (-3) = -21w\) 2. Multiply \(5\) by each term in the second expression: - \(5 \cdot 4w^2 = 20w^2\) - \(5 \cdot (-w) = -5w\) - \(5 \cdot (-3) = -15\) 3. Combine all the terms: - \(28w^3 + (-7w^2 + 20w^2) + (-21w - 5w) - 15\) 4. Simplify the like terms: - Combine the \(w^2\) terms: \(-7w^2 + 20w^2 = 13w^2\) - Combine the \(w\) terms: \(-21w - 5w = -26w\) Now, the expression is: \[ 28w^3 + 13w^2 - 26w - 15 \] And there you have it! The simplified expression is \(28w^3 + 13w^2 - 26w - 15\). Enjoy your math journey!

Try Premium now!
Try Premium and ask Thoth AI unlimited math questions now!
Maybe later Go Premium
Study can be a real struggle
Why not UpStudy it?
Select your plan below
Premium

You can enjoy

Start now
  • Step-by-step explanations
  • 24/7 expert live tutors
  • Unlimited number of questions
  • No interruptions
  • Full access to Answer and Solution
  • Full Access to PDF Chat, UpStudy Chat, Browsing Chat
Basic

Totally free but limited

  • Limited Solution
Welcome to UpStudy!
Please sign in to continue the Thoth AI Chat journey
Continue with Email
Or continue with
By clicking “Sign in”, you agree to our Terms of Use & Privacy Policy