12/4 = 3 + 2x 1/2
Divide and then multiply and your answer will be 4
Find the area of the squares.
4 ×4 = 16
Find the area of the wall.
20 × 10 =200
Divide 200 by 16.
200 ÷ 16 = 12.5
You need 12.5 squares.
Answer:
12
Step-by-step explanation:
just find the HCF, which will be
2² × 3 = 12
Answer:
x^2+3x-4
Step-by-step explanation:
x * x - x + 4x - 4
x^2 - x + 4x - 4
x^2 + 3x - 4