Question Simplify the expression 21u2v2−u2−v2 Evaluate 21(uv)2−u2−v2Solution 21u2v2−u2−v2 Show Solution Factor the expression 21(u2v2−2u2−2v2) Evaluate 21(uv)2−u2−v2Multiply the terms 21u2v2−u2−v2Solution 21(u2v2−2u2−2v2) Show Solution