Question

using factorialien find the roots of quadratic equation
9x*2-16=0
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Answer 1

Step-by-step explanation:

9x^2-16=0

(roo9x)^2-(4)^2=0

a^2-b^2=(a+b)(a-b)

(root9x+4)(root9x-4)=0

x= -4/root9 or 4/root9