Question

14] Expand : (3x+5)^2
solution​

Answer 1

Answer:

(3x+5)²

= (3x)² + 2× 3x × 5 + 5²

= 9x² + 30x + 25

Answer 2

Step-by-step explanation:

$(x + y)^{2} = {x}^{2} + {y}^{2} + 2(x)(y)$

$(3x + 5 )^{2} = 9 {x}^{2} + 25 + 30x$

Hope it helps ✌