Advertisements
Advertisements
Question
Subtract: −xy + yz − zx from xy − yz + xz
Sum
Advertisements
Solution
Find the value of (xy + yz + zx) − (−xy + yz − zx)
We need to subtract (−xy + yz − zx) from (xy – yz + zx)
= (xy – yz + zx) − (−xy + yz − zx)
= xy – yz + zx + xy – yz + zx
= xy + xy – yz – yz + zx + zx
= 2xy − 2yz + 2zx
the answer is (2xy − 2yz + 2zx)
shaalaa.com
Performs Operations (Addition and Subtraction) on Algebraic Expressions with Integral Coefficients Only.
Is there an error in this question or solution?
APPEARS IN
RELATED QUESTIONS
What must be subtracted from a2 + b2 + lab to get – 4ab + 2b2?
Find the excess of 4m2 + 4n2 + 4p2 over m2+ 3n2 – 5p2
Simplify: 2(x - y) - (x - 8)
Simplify: 4(3x - 8) - 3(5x + 3) - 2(6x - 8)
Multiply: - 3m2n + 5mn - 4mn2 and 6m2n
Evaluate: (3x - 2y)(4x + 3y) (8x - 5y)
Multiply: a3 - 4ab and 2a2b
Simplify: `"x"/2+"x"/4`
Simplify: `"2p"/3 -"3p"/5`
Simplify: `"k"/2 + "k"/3 + "2k"/5`
