Question

28. 81a +18ac +c, when a = 7,c=-67.​

Answer 1

Answer:

81a + 18ac + c

given a = 7

c = -67

81a = 81(7) = 567

18ac = 18(7)(-67) = -8442

c = -67

81a +18ac +c

567 - 8442 -67

= -7942

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