Answer:
15
Step-by-step explanation:
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Answer:2nd one starting from top left
Step-by-step explanation:
there r two sides congruent and an angle in between
<h3><u>Solution:- </u></h3>
Let the number to be added be A
Now,

Transposing (−5x³+ 4x − 3 ) to other side-

Remember if there is a -ve sign before a bracket the signs of whole of the terms changes on opening bracket

Putting like terms together -


Therefore, 5x³+x²-5x +2 should be added to −5x³+ 4x − 3 to get x²− x − 1
Answer:you didnt put the options nut this is how you find it!
Step-by-step explanation:
you can do 2:4 all you need to do is multiply both numbers by the same number!
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