Question

Solve the equation 5x2 + 10x + 2 = 0.
You must show all your working and give your answers correct to 2 decimal places

Answer 1

Answer:

5×2 + 10x + 2 = 0

= 10+10x + 2 = 0

= 12 + 10x = 0

= 10x = 12

= x = 12 ÷ 10

x= 1.2

2 decimal place of 1.2 is 1.20 as we round it to nearest 0.01

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