Question

50a2+98b2+140ab factorise it​

Answer 1

Answer:

$= > 50 {a}^{2} + 98 {b}^{2} + 140ab \\ = > 2(25 {a}^{2} + 49 {b}^{2} + 70ab) \\ = > 2 {(5a + 7b)}^{2}$

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Answer 2

Answer: (5√2a + 7√2b)²

Step-by-step explanation:

50a² = (5√2a)²

98b² = (7√2b)²

140ab = 2×5√2×7√2×ab