Question

which of the following is a quadratic equation a)(4–x)(3x+1)=2–3x² b)(x+3)²–5=x²+9 c)(k–4)x²–3x=9k–4(k=4) d)(x+3)³–5=x³–5​

Answer 1

Answer:

first one is quadratic eqation

Step-by-step explanation:

becaz all power are of 2

Answer 2

Answer:

first one is the quadratic equation

Step-by-step explanation:

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