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Mathematics in Grade Three: Factorization: x2-3x- 10 Note: x2 represents the square of x.
x2-3x- 10

1 -5

1 2

Cross multiplication = 1 * 2+ 1 *(5)=-3 (intermediate coefficient)

So x2-3x- 10 =(x-5)(x+2)

I hope I can help you O(∩_∩)O

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