Math, asked by hannnnaann04, 5 months ago

1) Expand
(a) (x+4)²
(b) (2x-9)²
(c) (x-9)²
(d) (2x+5)(2x-5)​

Answers

Answered by anurag2147
0

Answer:

a) x²+16+8x

b)4x²+81-36x

c) x²+81-18x

d) (2x)²- (5)² = 4x²-25

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