Question

Expand using identities (x²+x-1)(x²-x+1). Solve with process then I will mark you brainliest​

Answer 1

Answer:

x⁴+2x³+x²-1

Step-by-step explanation:

Let x²+x be a and 1 be b

So there would be a form

(a+b)(a-b)= a2-b

(x²+x)² - (1)²

x⁴+x²+2x²×x -1 [(a+b)² = a²+b²+2ab]

x⁴+x²+2x³-1