Math, asked by saratdolai992, 2 months ago

Expand : (2a−5b+7c)2

Answers

Answered by PiryaHussain

1

Answer:

4a2-25b2+49c2

Step-by-step explanation:

(2x2a2-5×5b2+7×7c2)

4a2-25b2+49c2

Answered by zaid2810

2

(2a-5b+7c)2
(2ax2-5bx2+7x2)
(4a-10b+14)

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