Question

(2x-y+3)(2x-y-3) expand ​

Answer 1

Expand (2x+y−3)(2x+y+3)(2x+y-3)(2x+y+3) by multiplying each term in the first expression by each term in the second expression.

2x(2x)+2xy+2x⋅3+y(2x)+y⋅y+y⋅3−3(2x)−3y−3⋅32x(2x)+2xy+2x⋅3+y(2x)+y⋅y+y⋅3-3(2x)-3y-3⋅3

Simplify terms.

Tap for more steps...

4x2+2xy+2yx+y2−94x2+2xy+2yx+y2-9

Add 2xy2xy and 2yx2yx.