Question
Each symbol given below represents an algebraic expression: [4 MARKS]
Find the expression represented by the above symbols.
Find the expression represented by the above symbols.
Answer:
:
Visualizing the question and forming equation: 2 Marks
Steps: 1 Mark
Answer: 1 Mark
According to question:
=[(2x2+3y)+(5x2+3x)]−(8y2+3x2+2x+3y)
=[2x2+3y+5x2+3x]−(8y2+3x2+2x+3y)
=[7x2+3y+3x]−(8y2+3x2+2x+3y)
=[7x2+3y+3x−8y2−3x2−2x−3y
=4x2+x−8y2
Hence, the expression represented by the above symbols is4x2+x−8y2.
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:
Visualizing the question and forming equation: 2 Marks
Steps: 1 Mark
Answer: 1 Mark
According to question:
=[(2x2+3y)+(5x2+3x)]−(8y2+3x2+2x+3y)
=[2x2+3y+5x2+3x]−(8y2+3x2+2x+3y)
=[7x2+3y+3x]−(8y2+3x2+2x+3y)
=[7x2+3y+3x−8y2−3x2−2x−3y
=4x2+x−8y2
Hence, the expression represented by the above symbols is4x2+x−8y2.
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