Math, asked by abhayverfer2005, 4 months ago

solve by formula method 5x²+20x+20=0

Answers

Answered by pardhuff

1

-2

Step-by-step explanation:

put x is -2

5(-2)²+20(-2)+20=0

5(4)+(-40)+20=0

20-40+20=0

40-40=0

lhs=rha

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