Register
2. For all real numbers x and y, (2x + 3y)² = ?
207k views
3 votes
2. For all real numbers x and y, (2x + 3y)² = ?

User Jesukumar
by
4.8k points

1 Answer

4 votes

Answer:

Explanation:

(a + b)² = a² + 2ab + b²

a = 2x ; b = 3y

(2x)²= 2x * 2x = 4x²

(3y)² =3y * 3y = 9y²

(2x + 3y)² = (2x)² + 2 *2x*3y + (3y)²

= 4x² + 12xy + 9y²

User Salim Ibrohimi
by
4.5k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

5.3m questions

6.9m answers

Other Questions

What number is halfway between 0 and 18
If the 9-inch wheel of cheese costs $18.60, what is the cost per square inch? If the cost is less than a dollar, put a zero to the left of the decimal point?
how long Will it take for $7000 investment to grow to $7553 and the annual rate of 3.4% compounded quarterly assume that no withdrawals are made
Need answer to math problem!!!​
Which property is shown in the problem below? -8(x-3y-9) = -8x+24y+72 A the associative property B the commutative property C the distributive property D the division property ASAP
Link Copied!