Question

49x⁴-168x²y²+144y² factories trinominal

Answer 1

Answer:

(7x^2 −12y^2)^2

Step-by-step explanation:

49x^4 −168x^2y^2 +144y^4

=(7x^2)^2 −2 * 7x^2 ×12y^2 +(12y^2)^2

=(7x^2 −12y^2)^2