Math, asked by singhprinceke, 2 months ago

simplify.(a)3x–5 – x + 9x + 4 when x= –2. (b)z³–2z+10 ,when z=–1.

Answers

Answered by pihu4976
0

Answer:

This is your answer

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Answered by lalityamarathe12
0

Answer:

(a) -23

(b) 11

Step-by-step explanation:

(a)

3x-5-x+9x+4=11x-1

=11(-2)-1\\=-22-1=-23

(b)

z^{3} -2z+10=(-1)^{3} -2(-1)+10\\=-1+2+10=11

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