Question

Factorise
1)x squre-36x+320
2)a squre-26a-87
3)x cube-10x squre-53x-42
4)Y cube-2y squre-29y-42
5)x cube-x squre-14x+24

Answer 1

Answer:

1)x2-36x+320

x2-20x-16x+320

x(x-20)-16(x-20)

ans-(x-16)(x-20)

2)a2-26a-87

a-29a+3a-87

a(a-29)3(a-29)

ans-(a+3)(a-29)

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