Jagat Jitendra Matto Solutions for Chapter: Algebraic Expressions and Identities, Exercise 1: EXERCISE 6.1

Subtract: $7a^{3}b-4a^2{b}^2+9$ from $3a^{3}b+2a^2{b}^2+7$

Add: $2xy+3yz-6xz, 4 xy-2yz+7xz$ and $-xy-2yz+4xz$

Subtract $x^2-\frac{5}{2}x+7$ from $\frac{1}{3}{x}^2+\frac{1}{2}x+2$.

Add $2x^2-5x^2{y}^2+2xy$ and $6xy+4x^2-7$ and subtract the result from $-xy+x^2+7x^2{y}^2$.

Find the value of following polynomials, when $m=-2$:

$3m-7$

Find the value of following polynomials, when $m=-2$:

$2m^2+5m-3$

Find the value of following polynomials, when $m=-2$:

$3m^3+2m^2-3m+5$

What should be the value of $n$ if $3x^2-x-n=6$, where $x=1$?