Answer:
19x²-2x+2
Step-by-step explanation:
stepss
4x^2-5x+3*5x^2+3x+2
then group the terms
4x²+3*5x²-5x+3x+2
add sim elements
4x²+3*5x²-2x+2
multiy the numbers
4x²+15x²-2x+2
add sim elements
19x²-2x+2
the answer is 19x²-2x+2
Answer:
Use the formula (b/2)^2
in order to create a new term. Solve for
x
by using this term to complete the square.
x = 3± 4i
Step-by-step explanation:
Answer:
x= 50
Step-by-step explanation:
7/x = 14/100
14x = 700
x = 50
the reason behind my calculations were to get the same ratios and because they gave us percentage and the actual number, we can set them; 14 percent 14/100, however, the 7/x is because we don't know the 100 percent of the coins which is what we look for. Therefore, you cross multiply and get x.
I hope this helped
Answer:
is it an abc or what??
Step-by-step explanation: