Question

iv) Simplify the expressions and find their values if x =2, a=-1, b=-3
(a) 4a?-b+ 6a2 - 7b? (b) 3x2-8ab + 4x2 + 11ab
f 22-2bc-c? and
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Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Answer:

4*-1+3+6*-1*2-7*-3

I am not sure