Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 6 - Section 6.4 - Factoring Trinomials of the Form ax2+bx+c by Grouping - Practice: 1

Answer

a)(3x+2)(x+4) b)(4x+5)(3x+1)

Work Step by Step

a)3$x^2$+14x+8=3$x^2$+12x+2x+8=3x(x+4)+2(x+4)=(3x+2)(x+4) b)12$x^2$+19x+5=12$x^2$+4x+15x+5=4x(3x+1)+5(3x+1)=(4x+5)(3x+1)
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