(x+30)(x+30) expand using. Suitable identity
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Answered by
6
x^2+2.x.30+30^2
x^2+60x+900(Answer)
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shohinibhattacharyya:
Can u write it in a page
Isn't "a" and " b" getting same as 30?
Answered by
9
(x + 30)(x + 30)
(identity of (x + 30) whole square)
= (x + 30)^ 2
= x^2 + 30^2 + 30 × 2 × x
= x^2 + 60x + 900.
Hope it helps you.
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U have done it shortly
ya
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sorry, i sent it continuously by mistake
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