Question

${x}^{4} + 8 {x}^{2} + 7factors$
​

Answer 1

Step-by-step explanation:

x^4 + 8x^2 + 7

x^4 + 7x^2 + x^2 + 7

x^2 ( x^2 +7) +1 ( x^2+7 )

( x^2 +1) (x^2+7)