Multiply the polynomials using the FOIL method. Express your answer as a single polynomial in standard form. $$ (-2 r-31)(3 r+71) $$
Added by Heather P.
Step 1
First, we'll multiply the first terms: $(-2r)(3r) = -6r^2$. Show more…
Show all steps
Close
Your feedback will help us improve your experience
Suzanne Harwood and 86 other Algebra educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
Review
Polynomials
Multiply the polynomials using the FOIL method. Express your answer as a single polynomial in standard form. $$ (2 x+7)(x+5) $$
Subtract the polynomials. $$ \begin{array}{r} 10.7 r^{2}+1.2 r+9 \\ -4.9 r^{2}-5.3 r-2.8 \\ \hline \end{array} $$
Addition and Subtraction of Polynomials
Recommended Textbooks
Elementary and Intermediate Algebra
Algebra and Trigonometry
Watch the video solution with this free unlock.
EMAIL
PASSWORD