Getting Ready for the Next Section
117. −1
119. −116
121. 1
123. 9x24
125. (2x+3)(2x−3)
127. (3x+4)(5x−3)
129. (x−2)(x−1)(x+2)
131. (x2+3)(x+4)
133. 2
135. 23, −12
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