5x²+70-160÷x-2 factorise
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Answer:
(5x^2+70x-160)÷(x-2)
=5(x^2+14x-32)÷(x-2)
=5(x^2+16x-2x-32)÷(x-2)
=5{x(x+16)-2(x+16)}÷(x-2)
=5(x+16)(x-2)÷(x-2)
=5(x+16)
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