Answer:
it will take about 1/3 of the time (10 minutes)
Step-by-step explanation:
When we have exponents multiplied with the same base we add them so 5^5*5^10=5^15
Answer:
2nd option
Step-by-step explanation:
Given
2x - 8y + 3x² + 7y - 12x ← collect like terms
= 3x² + (2x - 12x) + (- 8y + 7y)
= 3x² + (- 10x) + (- y)
= 3x² - 10x - y