Answer:
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Explanation:
Answer:
−x2+9+(−3x2−11x+4)(o)−4x2−2x+4−4x2−11x+13o2x2+20x+4o2x2+11x+5
Explanation:
step by step
=17o2x2−3ox2−11ox−9x2+4o+18x+18