Explore a vast range of topics and get informed answers at IDNLearn.com. Discover reliable answers to your questions with our extensive database of expert knowledge.

Hechen paro es para el parcial

Hechen Paro Es Para El Parcial class=

Sagot :

1.

(x+7)²

using (a+b)²=a²+b²+2ab

= x²+7²+ ( 2×x×7 )

= x²+49+14x

THEREFORE, x²+14x+49 is the answer

2.

4x²-1 = 0

= (2x)²-1² = 0

using a²-b² = (a+b) (a-b)

THEREFORE, (2x+1) (2x-1) is the answer

HOPE IT HELPS :)