#160; #160;2m2 #160;+19mn #160;+ #160;30n2=2m2 #160;+ #160;15mn #160;+ #160;4mn #160;+ #160;30n2 #160; #160; #160; #160; #160; ...

You visited us 1 times! Enjoying our articles? Unlock Full Access!

(x±a)(x±b) = x²±(a+b)x+ab.

2 m2+19 m n+3...

Question

2m² + 19mn + 30n²

Open in App

Solution

$2 m^{2} + 19 m n + 30 n^{2} = 2 m^{2} + 15 m n + 4 m n + 30 n^{2} [∵ 2 \times 30 = 60 15 \times 4 = 60 and 15 + 4 = 19] = m (2 m + 15 n) + 2 n (2 m + 15 n) = (2 m + 15 n) (m + 2 n)$

Suggest Corrections

Similar questions

2 m^{2} + 19 m n + 30 n^{2}

(3 k - 4 r - 2 m)^{2} - (3 k + 4 r - 2 m)^{2}

4 m^{5} - 4 m^{3} + 4

2 m^{2}

-

-

-

-

Join BYJU'S Learning Program