Question

find the root of 3x^2-5x-12 by using quadratic formula step by step​

Answer 1

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Answer 2

ANSWER:—

Solution:

Given quadratic equation:

3x²-5x-12=0

Splitting the middle term,we get

=> 3x²-9x+4x-12=0

=> 3x(x-3)+4(x-3)=0

=> (x-3)(3x+4)=0

=> x-3=0 or 3x+4=0

=> x = 3 or 3x=-4

=> x=3 or x = -4/3

Therefore,

x=3 or x = -4/3.

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