Question

3x²-21x-24 please solve the question​

Answer 1

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let,

3x²-21x-24=0

Taking 3 common from both left hand side as well as right hand side. we get,

→x²-7x-8=0

Now, By splitting middle term,

→x²-8x+x-8=0

→x(x-8)+1(x-8)=0

→(x-8)(x+1)=0

→x-8=0 and. x+1=0

so, x=8 and -1 ( Required answer )

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