(8x2 - x + 13)(x2 -3)
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8x2 -x3 +13x2 -24x2 + 3x - 39
Step-by-step explanation:
21x2 - x3 - 24x2 +3x -39
-x3 -4x2 + 3x -39
x3 +4 x2 -3x +39
Answered by
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Answer:
61x-2x²-87.
Step-by-step explanation:
(8×2-x+13)(2x-3).
=2x(8×2-x+13)-3(8×2-x+13).
=32x-2x²+26x-48+3x-39.
=(32x+26x+3x)-2x²-48-39.
=(35x+26x)-2x²-87.
=61x-2x²-87.(full step and it's the correct answer.If answer will different from my answer then it is totally wrong . I am gold medalist in mathematics.
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