Use a suitable identity to get the following. 1) (2y + 5) (2y + 5 ) 2) (b - 7 ) 2 sq. 3) 297 * 303. please say it's urgent
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Answered by
2
Answer:
Step-by-step explanation:
1.(2y+5)(2y+5)
4y+10y+ 10y+25
4y+20y+25
2.(b-7)2^2
(b-7)4
4b-28
3.297*303
(300-3)(300+3)
(a-b)(a+b)
a^2-b^2
300^2-3^2
90000-9
89,991
Answered by
2
Answer:
the answer is given in the attachment
I hope it will help you
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