Math, asked by Pricilla7760, 4 months ago

Slove by formula method 9×2+7×-2=0

Answers

Answered by monikachauhan4608

0

Step-by-step explanation:

Show that the equation 9x2+7x-2=0 has roots and solve it. Solution : The given equation is 9x2+7x-2=0. ∴ D=(b2-4ac)=(72-4×9×(-2)]=121>0.

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