Q18) Subtract -3x² + 2xy from 2x² - 6xy - 5, *
Answers
Answered by
1
Answer:
Step-by-step explanation:
2x² - 6xy - 5 - ( - 3x² + 2xy )
= 2x² - 6xy - 5 + 3x² - 2xy ( ∵ - × - = + ; - × + = - )
= ( 2x² + 3x² ) + ( - 6xy - 2xy ) - 5 (∵ like terms )
= 5x² + ( - 8xy ) - 5
= 5x² - 8xy - 5 is the answer.
Similar questions