Question

factorise 3X SQUARE - X SQUARE - 10 X​

Answer 1

Answer:

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Step-by-step explanation:

3x2−x−103x2-x-10

For a polynomial of the form ax2+bx+cax2+bx+c, rewrite the middle term as a sum of two terms whose product is a⋅c=3⋅−10=−30a⋅c=3⋅-10=-30 and whose sum is b=−1b=-1.

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3x2+5x−6x−103x2+5x-6x-10

Factor out the greatest common factor from each group.

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x(3x+5)−2(3x+5)x(3x+5)-2(3x+5)

Factor the polynomial by factoring out the greatest common factor, 3x+53x+5.

(3x+5)(x−2)(3x+5)(x-2)

3x2−x−103x2-x-10