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Determine where f(x) intersects the x-axis.

f(x)=x^2+5x+6

Guest Oct 15, 2015

Omi67 · Answer 1 · 2015-10-15T08:49:11

Hallo guest

heureka · Answer 2 · 2015-10-16T04:58:13

Determine where f(x) intersects the x-axis ( f(x) =0) .

f(x)=x^2+5x+6

$\begin{array}{rcl} &x^2+5x+6 &=& 0\\ \text{Factorisation }& (x+2)(x+3) &=& 0\\ &x_1 &=& -2\\ &x_2 &=& -3 \end{array}$