If x2-k x-6-x-2x-3 for all x- then the value of k isa 1b -1c 5d 3

Given: nbsp;x2 nbsp;+ nbsp;kx nbsp;+ 6 = (x nbsp;+ 2) (x nbsp;+ 3) x2+kx+6=x+2x+3 #8658;x2+kx+6=x2+2x+3x+6 #8658;x2+kx+6=x2+5x+6 #8658;kx=5x ...

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Property 3

If x2+k x+6=x...

Question

If x² + kx + 6 = (x + 2) (x + 3) for all x, then the value of k is
(a) 1
(b) –1
(c) 5
(d) 3

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Solution

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