Math, asked by wrox1, 1 month ago

set up an equation and solve each problem.
1. the square of a number equals nine times that number. Find the number.
2. Suppose that four times the square of a number equals 20 times that number. What is the number?
3. Twice the square of the sum of a number and 3 is 98. Find the number. ​

Answers

Answered by laxmikantnannaware5
2

Step-by-step explanation:

1) (x)² = 9x

(x)²- 9x =0

x( x-9) =0

(x-9) = 1/x

-9 = 1/x-x

-9 = 1-x²/x

-9 = 1-x

-9-1 = -x

-10 = -x

x = 10

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