factorise = 50x²+ 98y²+ 140xy
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Answered by
1
Answer:
Using this formula
(x − 5)(x + 3) = x2 − 2x − 15.
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Answered by
2
Answer:
take 2 common
2(25x²+49y²+70xy)
2{(5x) ²+(7y) ²+2*5x*7y)
it is a formula of (a+b) ²
2{5x+7y}²
2{5x+7y}{5x+7y}
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