Question

expand (4-11x)^2
maths algebraic expressions and identities class 8

Answer 1

Given:-

Algebraic expression

(4-11x)^2

Identity used:-

${(a - b)}^{2} = {a}^{2} - 2ab + {b}^{2}$

Solution:-

We have,

expression (4-11x)^2

Using the identity, we get,

${(4 - 11x)}^{2} \\ = {4}^{2} - 2(4)(11x) + {11x}^{2} \\ = {11x}^{2} - 88x + 16$