Question

SIMPLIFY=(w+x)(y-z)+(w-x)(y+z)+2(wy+xz) ​

Answer 1

Answer:

4wy

Step-by-step explanation:

wy-wz+xy-xz+wy+wz-xy-xz+2wy+2xz

4wy

Answer 2

Step-by-step explanation:

w ( y - z ) + x ( y - z ) + w ( y + z ) - x ( y + z ) + 2 ( wy + xz )

= wy - wz + xy - xz + wy + wz - xy - xz + 2wy + 2 xz

= 2 wy + 2 xz - 2 xz - 2 wy

= 0