factorise 1-18y-63yx
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Answer:
ur correct que is 1- 18y- 63y²
Step-by-step explanation:
1 - 18y- 63y²
1- 21y+ 3y- 63y²
1(1- 21y)+3y(1-21y²)
(1- 21y) (1+3y)
hope it helps you dear ☺️
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