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OpenStudy (anonymous):
Alyssa gave the following explanation for factoring the trinomial x2 – 3x – 4: “I need to find factors of –4 that add to –3. 4 and –1 multiplies to –4 and adds to –3 so my factors are (x + 4)(x – 1).” Are her answers correct, if not explain where she went wrong. and What could Alyssa have done to check the accuracy of her factors??? plzz help!!
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