Question

factorise (3x+(-y)^2

Answer 1

Hey there!
Down here⏬

Factorise

$(3x + ( - y) {}^{2}$

Equation in the form of identity:

$(a + b) {}^{2} = a {}^{2} + 2ab + b {}^{2}$

$a = 3x$

$b = ( - y)$

$(3x) {}^{2} + 2(3x)( - y) + ( - y) {}^{2}$

$9x {}^{2} - 6xy + y {}^{2}$

Hope helped.