English, asked by umadevipratap3581, 11 months ago

1) Factorise the following by splitting the middle term for
ahx?-13x+21
b) y? -Y-90

Answers

Answered by kannankannan3131

0

Answer:

(y-10)(y+9)

Explanation:

-90=9×-10

-1=9-10

y2+9y-10y-90

y(y+9)-10(y+9)

(y-10)(y+9)

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