(g) 4u2 - 8u - 21 factorization
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Answer:
Step-by-step explanation:
Answered by
2
Step-by-step explanation:
4u2-8u-21
4u2-(14u-6u)-21
4u2-14u+6u-21
2u(2u-7)+3(2u-7)
(2u+3) (2u-7)
2u=-3
u=-3/2
2u=7
u=7/2
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