PLEASE HELLP I HAVE BEEN STUCK FOR AT LEAST 25 minutes

What does x = in this equation x+3+2x=x+5

Which of the following statements is true? a. the irrational number system is not closed under multiplication, because the product of two irrational numbers is always a rational number. b. the irrational number system is not closed under multiplication, because the product of two irrational numbers is not always an irrational number. c. the irrational number system is closed under multiplication, because the product of two irrational numbers is always an irrational number. d. the irrational number system is closed under multiplication, because the product of two irrational numbers is always a rational numbers. reset submit

Four students are verifying that x2 + x– 12 = (x – 3)(x + 4). their conclusions are presented in the table. which student correctly verified that x2 + x – 12 = (x – 3)(x + 4)? damien lauryn rico latisha