17smithk 17smithk
  • 03-10-2021
  • Mathematics
contestada

A rectangle has sides of x and (x-2) cm.
The area of the rectangle is 3cm2
х
x-2
Show that (x - 1)2 - 4 = 0

Respuesta :

Аноним Аноним
  • 03-10-2021

Step-by-step explanation:

A rectangle has sides of x and (x-2) cm

Area = 3cm²

x(x-2)=3

x²-2x-3=0

BY USING COMPLETING THE SQUARE METHOD

[x²-2(x)(1)+1²] -1² -3=0

(x - 1)² - 1-3=0

(x-1)²-4=0

Answer Link

Otras preguntas

can you please help me​
A jet travels 650 miles in 3 hours. how far could the jet fly in 9 hours
Sara has saved 28 quarters from washing cars. How many cents does Sara have?
write ten different kinds of birds and plants with Hausa please help​
Drag the tiles to the correct boxes to complete the pairs. Solve the division problems, and match them to their solutions.
Choose the base or root word for the following word. environmental environment environment al al
the star-spangled banner, written by frances scott key, commemorates what event in the war of 1812?
Helppppppp plzzzzzz…
Explain how your model is different from the model in the picture.
Healthy weight management __________ A is only a matter of eating less. B involves getting enough calories and the nutrients your body needs. C involves getting