Question

Simplify the expression. Show your work. + (3^2 – 4^2)

Answer 1

We have,

$3 ^{2} - 4^{2}$

We can use,

【$a ^{2} - b ^{2} = (a + b)(a - b)$】

= $(3 + 4)(3 - 4)$

= $7 \times ( - 1)$

= $- 7$

Answer.......

Answer 2

Answer:

Step-by-step explanation:

+ (3^2 – 4^2) = ( 9 - 16 ) = -7.