Question

factorise 4x²+12xy+9y²
help plz​

Answer 1

Solution:

$4x²+12xy+9y²$

Sum = 12

Product = 36

$⟹4x²+(6+6)xy+9y²$

$⟹4x²+6xy+6xy+9y²$

$⟹2x(2x+3y)+3y(2x+3y)$

$⟹(2x+3y)(2x+3y)$

Answer:

(2x+3y)(2x+3y)