Expanding Double Brackets Quiz

What is the result of expanding (x + 4)(2x - 3)?

• 2x^2 + 5x - 12

• 2x^2 + 5x + 12

• 2x^2 - 5x - 12

• x^2 + 5x - 12

What is the first step in multiplying out brackets?

• Add the terms of the first bracket

• Subtract the terms of the second bracket

• Multiply the last term of the first bracket by the first term of the second bracket

• Multiply the first term of the first bracket by all terms in the second bracket

What is the result of expanding (2a - 3)(3a - 4)?

• 6a^2 - 17a - 12

• 6a^2 - 17a + 12

• 6a^2 + 17a + 12

• 5a^2 - 17a + 12

Which method is always applicable for expanding brackets?

• Multiplying each term by every other term

• FOIL method

• FACE method

• Adding terms method

What should you do after multiplying out the terms in the brackets?

• Multiply the results by two

• Simplify by collecting like terms

• None of the above

• Divide each term by two

What is the result of multiplying x by -3 in the expression (x + 4)(2x - 3)?

• 3x^2

• -3x^2

• 3x

• -3x

What is the result of multiplying 4 by 2x in the expression (x + 4)(2x - 3)?

• 8x

• 8

• 12x

• 6x

What is the result of multiplying 4 by -3 in the expression (x + 4)(2x - 3)?

• -12

• 12

• -8

• 8

What is the result of multiplying 2a by 3a in the expression (2a - 3)(3a - 4)?

• 6a^2

• 6a

• 5a^2

• 9a^2

What is the result of multiplying 2a by -4 in the expression (2a - 3)(3a - 4)?

• -8a

• 8a^2

• 8a

• -8a^2