Factor the expression. k2 + 5kf – 50f2

 The required factored form of the given expression is

Step-by-step explanation:  We are given to factor the following quadratic expression :

To factor the given expression, we need two integers with sum 5 and product -50 and those two integers are 10 and -5.

The factorization of expression (i) is as follows :

Thus, the required factored form of the given expression is

4 and 5)16.97 or 12√2

6)15.59 or 9√3

7)y = 15.59 or 9√3     x =27

8)17.80

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