Math, asked by kirtikokate54, 3 months ago

expand the following (-2a-5b)^2​

Answers

Answered by rajnisoni
2

((2a)^{2}  - 2 \times 2a \times 5b(5b) ^{2} )

 - (2 ^{2} a ^{2}  - 2 \times 2a \times 5b + (5b )^{2} )

 - (4a ^{2}  - 2 \times 2a \times 5b + (5b) ^{2} )

 - (4a ^{2}  - 2 \times 2a \times 5b + 256b ^{2} )

 - (4a ^{2}  - 20ab + 25b^{2} )

 - 4a ^{2} + 20ab - 25b ^{2}

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Answered by XxxShivuuxxX
2

Step-by-step explanation:

(−2−5)2

(−2−5) (−2−5)

−2(−2−5) −5(−2−5)

42+10 −5(−2−5)

42+10+ 10+252

42+20+252

hope it helps you ❤️

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