Math, asked by surveparth344, 5 months ago

what are the roots of quadratic equation
x  {?}^{2} = 9


Answers

Answered by SuhaniiAgarwal
1

Answer:

The roots are 3 and -3

Step-by-step explanation:

x² = 9

x² - 9 = 0

x² - 3² = 0

*Identitya² - b² = (a+b)(a-b)*

(x+3)(x-3) = 0

x + 3 = 0

x = -3

x - 3 = 0

x = 3

The roots are 3 and - 3

Hope it helps you:)

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