Question

Tick the conect
answer of each of the following
(i)which of the following is a quadratic equation
(a)(4-x)(3x+1)=2-3x2
(b)(x+3)3-5=x2+9
(c)(k-4)x2-3x=9,k=4
(d)(x+3)3=x3-5​

Answer 1

Answer:

I think option b. (x+3)3-5=x2+9

Step-by-step explanation:

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