Important Concepts in Algebra

Simplify
2a + a

• 3a
• 2a
• 2a²

Simplify
h + h + h

• h³
• hhh
• 3h

Simplify

2a + 3b + 4a

• 9ab

• 5ab + 4a

• 6a + 3b

Simplify
5a² x 3a³

• 15a⁵
• 15a⁶
• 15a²³

Expand
2(a - b)

• 2a - b
• 2a - 2b
• -2ab

Expand
3m (m +1)

• 4m²
• 3m + 3
• 3m² +3m

Expand
(m + 3)(m - 5)

• m² - 2m - 15
• m² + 8m - 15
• m² -2m - 2

Expand
2ab + 8a

• 2ab(8a)
• 2a(b + 4)
• a(2b + 8)

Factorise
3a - 3b

• -ab
• 6ab
• 3(a - b)

Factorise
c² - c - 2

• c(c - 1) -2
• (c - 2)(c + 1)
• (c - 2)(c - 1)