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OpenStudy (anonymous):
WILL MEDAL AND FAN Complete the factorization. a^2 + 3a – 28 = (a – 4)(a + _________ )
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OpenStudy (ineedhelplz):
a = {-4, 7}
OpenStudy (ineedhelplz):
So, 7 goes in the blank.
OpenStudy (anonymous):
thanks!
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