Answer:
D) x² -x - 10 =0
Step-by-step explanation:
Given that

L.C.M



⇒
⇒ 9 x + 54 = 9 x² - 36
⇒ 9 x² - 36 - 9x - 54 =0
⇒ 9 x² - 9x - 90 =0
⇒ 9(x² -x - 10 ) =0
⇒ x² -x - 10 =0
Answer:
w = 
Step-by-step explanation:
Using Pythagoras' identity in the right triangle
w² + 7² = 14²
w² + 49 = 196 ( subtract 49 from both sides )
w² = 147 ( take the square root of both sides )
w = 
Marty went to the store he bought M&M's and there were that were in rows of 12 and 4 in each row. he sees a smaller pack with four in one.How many M&M's does Marty have.Explain your answer