Bonn_Square and Cube of Binomial

What is the expanded form of (x + 2) ² ?

• x² + 2x + 4

• x² + 4x − 4

• x² + 4x + 4

• x² -4x + 4

Which of the following is true?

• (x − y)² = x² − y²

• (x − y)² = x² −2xy + y²

• (x − y)² = x² + y² −2xy

• (x − y)² = x² + y² + 2xy

What is the first term in the expansion of (2x + 3)² ?

• 6x

• 16x²

• 2x²

• 4x²

Expand (y − 5)²

• y² − 2

• y² − 10y + 25

• y² + 10y − 25

• y² + 10y + 25

Simplify (3a − 4)²

• 9a² − 12a + 16

• 9a² − 24a + 16

• 9a² + 24a - 16

• 9a² + 16

If x = 3, find the value of (x + 2)²

• 16

• 20

• 25

• 36

Expand and simplify: (2m + 1)²

• 4m² + 2m + 1

• 4m² - 4m + 1

• 4m² + 2m - 1

• 4m² + 4m + 1

The middle term of the expansion of (x − 7)² is:

• 14x

• 49x

• -14x

• -49x

Simplify: (a + b)² − (a − b)²

• 4ab

• 2ab

• a² + b²

• a² - b²

What is the coefficient of x in the expansion of

(x − 3)²

• -3

• 3

• -6

• 6