Algebra Flashcards by Joseph Oxley | Brainscape

Q

Simplify

3a + 9b + 2a

A

5a + 9b

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Q

Simplify

6x + 8y - 2x + 4y

A

4x + 12y

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Q

Expand the brackets

3(a + 4)

A

3a + 12

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Q

Expand the brackets

4(6x - 5)

A

24x - 20

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Q

Expand the brackets

7(5 - f - g)

A

35 - 7f - 7g

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Q

Expand the brackets

-2(3p + 5)

A

-6p - 10

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Q

Expand the brackets

x(2x + 5)

A

2x² + 5x

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Q

Expand the brackets and simplify

5(z + 4) + 4z - 9

A

9z + 11

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Q

Expand the brackets and simplify

8(a + 5) - 2(a - 7)

A

6a + 54

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Q

Factorise

5t + 20

A

5(t + 4)

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Q

Factorise

3n - 15

A

3(n - 5)

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Q

Factorise

y² + 9y

A

y(y + 9)

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Q

Factorise

2x² - 8x

A

2x(x - 4)

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Q

Expand and simplify

(a + 5)(a + 3)

A

a² + 8a + 15

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Q

Expand and simplify

(x + 3)(x - 7)

A

x² - 7x + 3x - 21

= x² - 4x - 21

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Q

Expand and simplify

(x - 1)(x + 1)

A

x² - 1

Q

Expand and simplify

(h - 10)(h + 3)

A

h² - 7h - 30