Question 493449
"height that is 5 m more than its base" ___ h = b + 5


"A triangle with the area of 12m squared" ___ 12 = (1/2)(b)(h)


substituting ___ 12 = (1/2)(b)(b + 5)


24 = b^2 + 5b ___ 0 = b^2 + 5b - 24


factoring ___ 0 = (b + 8)(b - 3)