Answer:True: 8+x+(-5) = (-4) +x+7
Step-by-step explanation:
1st Step
Remove parenthesis:
8 + x + -5 = -4 + x + 7,
2nd Step
Subtract or Cancel X from both sides:
3rd Step
Simplify
8 - 5 = -4 + 7
3 = 3
Answer:(x - 1)(7x + 12)
Step-by-step explanation:
Question: (6x² + 5x - 3) + (x² - 9)
⇒(6x² + 5x - 3) + (x² - 9)
⇒6x² + 5x - 3 + x² - 9
rearrange
⇒6x² + x² + 5x - 3 - 9
⇒7x² + 5x - 12
Middle term break
⇒7x² + 12x - 7x - 12
⇒x(7x + 12) - 1(7x + 12)
⇒(x - 1)(7x + 12) Answer
hope that helps...
Answer:
20.5
Step-by-step explanation:
Answer:
Step-by-step explanation:
16×(x-4)=208
x-4=208÷16=13
x=13+4=17
An = -15 + 9(n - 1), since the first term is 15 and for each consecutive term we are adding 9 to the previous term