(4) P(x) = 7x'. 4x2 + 7x-18. Find p(-3) and p(-1).
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Answer:
Step-by-step explanation:
Given equation is:
x
2
−7x−18=0
x
2
−9x+2x−18=0
(x−9)(x+2)=0
∴x=9,−2
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