Question

(4x+7)²-(4x-7)² simplify the following

Answer 1

Answer:

hi,

I hope this is help you...

Answer 2

Answer:

hope this helps you

step 1

take (4x) whole square as in the figure.

which is 16x^2.

step 2

7^2 =49.

step 3

16x^2+49

step 4

(4x)^2=16x^2

step 5

7^2=49

step 6

16x^2+49-(16x^2-49)

16x^2+49-16x^2+49

here minus change into plus because -*-=+

step7

16x^2+49-16x^2+49

here we can cancel sixteen square and minus sixteen square

49+49=98