Multiplying and simplifying with multiple expressions | Maths

Starter quiz

Without changing it's value, we could write the expression $5x+7+3x+8$ more efficiently by ______ it.
- 'simplifying' ✓
Expand $8(x+3)$
- $8+x+3$
- $8x+24$ ✓
- $8x+3$
- $x+24$
Match the expressions to the simplified expressions
- $3x + 7 + 4x + 6$
  
  ⇔
  
  $7x +13$ ✓
- $7x + 3 + 6x + 4$
  
  ⇔
  
  $13x + 7$ ✓
- $7x + 13 + 3x -3$
  
  ⇔
  
  $10x+10$ ✓
- $6x -7 -13x -3$
  
  ⇔
  
  $-7x-10$ ✓
- $3x + 13 + 4x -3$
  
  ⇔
  
  $7x+10$ ✓
Match the expressions.
- $7(y+3)$
  
  ⇔
  
  $7y+21$ ✓
- $-7(y-3)$
  
  ⇔
  
  $21-7y$ ✓
- $-7(y+3)$
  
  ⇔
  
  $-7y-21$ ✓
- $7(y-3)$
  
  ⇔
  
  $7y-21$ ✓
Simplify $10x+3-7x-10$
- $3x+7$
- $-3x+7$
- $3x-7$ ✓
- $-3x-7$
Expand $-f(3e+2f-g)$
- $-3e^2f-2f^2+fg$
- $-3ef-f^2+fg$
- $-3ef-2f^2-fg$
- $-3ef-2f^2+fg$ ✓