Question

question no 28.x³-5x²-x+5?factories
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Answer 1

Step-by-step explanation:

x^3-5x^2-x+5

=x^2(x-5)-1(x-5)

=(x-5)(x^2-1)

=(x-5)(x+1)(x-1) {x^2-1=(x)^2-(1)^2=(x+1)(x-1)

a^2-b^2=(a+b)(a-b)

form}