Question

question no 28 solve (factorise) and I mark as brainlist who can solve my question​

Answer 1

question no 28 solve (factorise) and I mark as brainlist who can solve my question

Step-by-step explanation:

IN WHICH CLASS YOU ARE STUDYING???

Answer 2

Step-by-step explanation:

1)x⁴+6x²+9

x⁴+3x²+3x²+9

x²(x²+3)+3(x²+3)

(x²+3)(x²+3)

2)a²+b²-c²-d²+2ab+2cd

a²+b²+2ab-(c²+d²-2cd)

(a+b)²-(c-d)²

(a+b+c-d)(a+b-c+d)

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