Answer
area of triangle = $.5*base*height$
height = $6x+4$
Factoring the trinomial helped find the other dimension of the triangle.
Work Step by Step
$9x^2-9x-10$
$3x-5$
$(3x-5)(3x+2) = 9x^2+6x-15x-6 = 9x^2-9x-6$
Algebra 1
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133500403
ISBN 13:
978-0-13350-040-0
Chapter 8 - Polynomials and Factoring - 8-6 Factoring ax(squared) + bx + c - Practice and Problem-Solving Exercises - Page 509: 35
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