1.

Resolve the quadratic trinomials into factors:11x2 – 54x + 63

Answer»

We have,

11x2 – 54x + 63

The coefficient of x2 is 11

The coefficient of x is -54

Constant term is 63

So, we express the middle term -54x as -33x – 21x

11x2 – 54x + 63 = 11x2 – 33x – 21x – 6

= 11x (x – 3) – 21 (x – 3)

= (11x – 21) (x – 3)



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