Question

Why -16xsquare-9xsquare is equal to -25xsquare

Answer 1

Answer:

Step-by-step explanation

16 and 9 add up to 25.

The sum of two negatives will also be a negative.

$- (16x^{2} +9x^{2}) = -25x^{2}$

Hence, $-16x^{2}$$-9x^{2}$ = $-25x^{2}$

Answer 2

Answer: by ato the power m and bto the power m=ab while power m

Step-by-step explanation: 16^2x + 9x^2

= (16+9)^2

=25^2