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16-02-2021
Mathematics

contestada

If B =x²-7x + 4 and C=
x-9 find an expression that equals B+2C in stadard form.

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16-02-2021

Answer:

x²-5x-14

Step-by-step explanation:

(x²-7x+4)+2(x-9)

combine like terms and distribute

x²-7x+4+2x-18

x²-5x-14

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