Question

What is (x²+4)(x²+9)???

Answer 1

(x+a)(x+b)

x²+(a+b)x+ab

x²+(4+9)x²+4×9

x²+13x²+45

Answer 2

Answer:

(x square + 4) (x sq.+ 9)

Step-by-step explanation:

x sq.+xsq. = 9+4

2x sq.= 13

x sq.=13/2

x sq. = 6.5