Question

factorize 9x^2-6x+1
x^2-33x+90
x^2+4x-45​

Answer 1

Answer:

1) 9x²-6x+1

=> 9x²-3x-3x+1

=> 3x(3x-1) -1(3x-1)

=> (3x-1)(3x-1)

2) x²-33x+90

=> x²-30x-3x+90

=> x(x-30) -3(x-30)

=> (x-30)(x-3)

3) x²+4x-45

=> x²+9x-5x-45

=> x(x+9) -5(x+9)

=> (x+9)(x-5)

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