split 1.5x² +5x -84 using splitting the middle term.
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Answer:
1.5x2 + 14x - 9x - 84
Step-by-step explanation:
1.5x2 + 14x - 9x - 84 --> 84*1.5 = 126. --> 14*9 = 126
x(1.5x + 14) - 6(1.5x + 14)
=(x-6)(1.5x + 14)
=> x = 6 and x= -14/1.5
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