Question

Polynomial factorise 28-31x-5xwhole square

Answer 1

Step-by-step explanation:

Genius

Hey here is your answer

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28 - 31x - 5x² = 0

-5x²- 31x + 28 = 0

-5x²- 35x + 4x + 28 = 0

-5x ( x + 7 ) + 4 ( x + 7 ) = 0

( -5x +4 ) ( x + 7) = 0

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