Advertisements
Advertisements
Question
Simplify:
6a2 + (2a2 − a2) − (a2 − b2)
Sum
Solution
6a2 + (2a2 − a2) − (a2 − b2)
= 6a2 + a2 − a2 + b2
= 6a2 + b2
shaalaa.com
Concept of Substitution
Is there an error in this question or solution?
APPEARS IN
RELATED QUESTIONS
Fill in the blank, when:
x = 3, y = 6, z = 18, a = 2, b = 8, c = 32 and d = 0.
c ÷ b = ...........
If a = 3, b = 0, c = 2 and d = 1, find the value of abc − bcd + cda
If x = 2, y = 5 and z = 4, find the value of the following:
`"x"/(2"x"^2)`
If x = 2, y = 5 and z = 4, find the value of the following:
`(5"x"^4"y"^2"z"^2)/(2"x"^2)`
If a = 3, find the values of a2 and 2a.
Evaluate:
35b – (16b + 9b)
Simplify:
x − (x − y) − (− x + y)
Simplify:
`5{"a"^2-"a"("a"-overline("a"-2))}`
Fill in the blank:
7x + 2z + 4y − 3 = − 3 + 4y + (.............)
Insert the bracket as indicated:
ab + 2bc − 3ac = 2bc − (...............)