Question

Q.7 Simplify 7x²(3x - 9) + 3 and find its values for x= -4.​

Answer 1

Answer:

answer is -2349

Step-by-step explanation;

x = -4

7x²(3x - 9) + 3 =7($-4^{2}$){3(-4)-9}+3

                        =7(16){-12-9}+3

                       = 112{-21}+3

                          =-2352+3

                         =-2349

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Answer 2

Step-by-step explanation:

x=(-4)

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