Which of the following values is equal to − (−3.7)? −3.7, 0, 3.7, 4

Right option is 3.7

Step-by-step explanation:

We have to find equal value for - (-3.7)

We can rewrite -(-3.7) as -1 * ( - 3.7)

We know that Multiplication of two negative numbers becomes positive number as a result.

So,

-(-3.7) = -1 * (-3.7)

Multiplication of -1 and -3.7 will give + 3.7

i.e - ( - 3.7) = 3.7

225x²+4=0

225x²=0-4

225x²=-4

x²=-4/225

x=±√-4/225