Find the product of (2x +3)
and (5x2 + 3x + 2) and evaluate for x = -2.
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Answer:
(2x +3)* (5x2 + 3x + 2) and evaluate x = -2
Step-by-step explanation:
2x* (5x2 + 3x + 2) + 3* (5x2 + 3x + 2)
10x^3 + 6x^2 +4x + 15 x^2 + 9x +6
[10x^3 + 21x^2 + 13x + 6 ] ----- product
EVALUATIION
if x = -2
therefore :[10x^3 + 21x^2 + 13x + 6 ]
will be
10*(-2)^3 + 21*(-2)^2 +13*(-2) + 6
10*(-8) + 21 *(4) - 26 +6
-80 + 84 -20
-100 + 84
[-16] ----------> ANSWER
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