2x² <span>- x + 8 = 0
D</span>iscriminant = b² - 4ac
a=2, b=-1, c=8
D = (-1)² - 4 * 2 * 8 = 1 - 64 = -63
5 because you subtract 15x and bring it to 3x^2 and get 3x^2-15x=0. Then take out the gcf and you get 3x(x-5)=0. Since it can't be 0, x-5=0 , the answer is 5.
Answer:(2.5, 5.5)
Step-by-step explanation:
Answer:
5b
Step-by-step explanation:
Product means to multiply, 5 and a number being multiplied would create the expression 5b
Answer:
False.
Step-by-step explanation: