Get the answers you need at Westonci.ca, where our expert community is always ready to help with accurate information. Get quick and reliable answers to your questions from a dedicated community of professionals on our platform. Connect with a community of professionals ready to help you find accurate solutions to your questions quickly and efficiently.
Sagot :
To determine which expression is equivalent to the given expression [tex]\((3y - 4)(2y + 7) + 11y - 9\)[/tex], let's go through the process of expanding and simplifying it step-by-step:
1. Distribute [tex]\((3y - 4)\)[/tex] across [tex]\((2y + 7)\)[/tex]:
[tex]\[ (3y - 4)(2y + 7) = (3y \cdot 2y) + (3y \cdot 7) + (-4 \cdot 2y) + (-4 \cdot 7) \][/tex]
This simplifies to:
[tex]\[ (3y \cdot 2y) + (3y \cdot 7) + (-4 \cdot 2y) + (-4 \cdot 7) = 6y^2 + 21y - 8y - 28 \][/tex]
2. Combine like terms within the result:
[tex]\[ 6y^2 + 21y - 8y - 28 = 6y^2 + 13y - 28 \][/tex]
3. Add the remaining terms [tex]\(11y - 9\)[/tex] to the simplified expression:
[tex]\[ 6y^2 + 13y - 28 + 11y - 9 \][/tex]
4. Combine like terms again:
[tex]\[ 6y^2 + (13y + 11y) - 28 - 9 = 6y^2 + 24y - 37 \][/tex]
Therefore, the expression equivalent to [tex]\((3y - 4)(2y + 7) + 11y - 9\)[/tex] is:
[tex]\[ 6y^2 + 24y - 37 \][/tex]
The correct answer is:
[tex]\[ \boxed{D. \ 6y^2 + 24y - 37} \][/tex]
1. Distribute [tex]\((3y - 4)\)[/tex] across [tex]\((2y + 7)\)[/tex]:
[tex]\[ (3y - 4)(2y + 7) = (3y \cdot 2y) + (3y \cdot 7) + (-4 \cdot 2y) + (-4 \cdot 7) \][/tex]
This simplifies to:
[tex]\[ (3y \cdot 2y) + (3y \cdot 7) + (-4 \cdot 2y) + (-4 \cdot 7) = 6y^2 + 21y - 8y - 28 \][/tex]
2. Combine like terms within the result:
[tex]\[ 6y^2 + 21y - 8y - 28 = 6y^2 + 13y - 28 \][/tex]
3. Add the remaining terms [tex]\(11y - 9\)[/tex] to the simplified expression:
[tex]\[ 6y^2 + 13y - 28 + 11y - 9 \][/tex]
4. Combine like terms again:
[tex]\[ 6y^2 + (13y + 11y) - 28 - 9 = 6y^2 + 24y - 37 \][/tex]
Therefore, the expression equivalent to [tex]\((3y - 4)(2y + 7) + 11y - 9\)[/tex] is:
[tex]\[ 6y^2 + 24y - 37 \][/tex]
The correct answer is:
[tex]\[ \boxed{D. \ 6y^2 + 24y - 37} \][/tex]
Thank you for choosing our platform. We're dedicated to providing the best answers for all your questions. Visit us again. Your visit means a lot to us. Don't hesitate to return for more reliable answers to any questions you may have. We're glad you chose Westonci.ca. Revisit us for updated answers from our knowledgeable team.