Question

D) Multiply and verify the result using the given value of the variable.

2) (3y2 + 2) (y2 - 2y + 1) for y = -2
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Answer 1

Answer:

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Step-by-step explanation:

$(3y {}^{2} + 2) ( {y}^{2} - 2y + 1) \\ [3( { - 2})^{2} + 2)][ ({ - 2})^{2} - 2( - 2) + 1] \\ [(3 \times 4) + 2][(4) +4 + 1] \\ (14)(9) \\ 126$

Answer 2

Answer:

126

Step-by-step explanation:

(3y^2 + 2) (y^2 - 2y + 1)

= { 3(-2)^2 + 2}  { (-2)^2 - 2(-2) +1 }

= { 3*4+2} { 4 +4 +1 }

= 14*9 = 126