Expanding and Factoring Expressions

Expand and simplify the following quadratic expression... (x + 4)²

• x² + 16

• x² + 8x + 16

• x² + 4x + 16

• x² + 16x + 8

Factorise 8x+32

• 8(x+4)

• 4(2x+16)

• 2(4x+16)

• 4(2x+8)

Factorise 6m² + 16m

• 2(3m² + 8m)

• 2m(3m + 8)

• 2m(3m - 8m)

• not factorable

Factorise

• (x-3)(x-3)

• (x-3)(x+3)

• (x+3)(x+3)

• I don't know

Factorise the following quadratic expression... x² + 12x + 32

• (x + 16)(x + 2)

• (x + 8)(x + 4)

• (x + 6)(x + 6)

• (x + 32)(x + 1)

Factorise the expression:

x² + 5x - 24

• (x + 8)(x - 3)

• (x + 3)(x - 8)

• (x + 6)(x - 4)

• (x + 4)(x - 6)

Which of the following is the correct expansion of:
a(a - 10)?

• a² - 10a

• 2a - 10

• 2a² - 10

• a - 10a²

Expand 3(x + 5)

• 3x + 5

• 8x

• 18x

• 3x + 15

Expand 5(2y - 4)

• 10y - 4

• 10y + 20

• 10y - 20

• 7y - 9

Expand x(x + 3)

• xx + 3

• x² + 3x

• x² + 3

• 3x²