Algebra 2 Common Core

Published by Prentice Hall
ISBN 10: 0133186024
ISBN 13: 978-0-13318-602-4

Entry-Level Assessment - Page xxxvii: 18



Work Step by Step

If $area=lw$, then $area=(2x+3)(x-4)$ Use FOIL to multiply the polynomials $area \\=2x(x-4)+3(x-4) \\=2x^{2}-8x+3x-12$ Combine like terms to obtain: $area=2x^2+(-8x+3x)-12$ $area=2x^2-5x-12$
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