Question

(2a)²+2(2a)(7)+(7)²

PLESE SOLVE THIS​

Answer 1

Answer

(2a−7)(2a−7)=(2a−7) 2

using identity (a−b) 2 =a 2 −2ab+b 2 (2a−7) 2 =(2a) 2 −2×2a×7+7 2(2a−7) 2 =4a 2 −28a+49

HOPE IT HELPED YOU

IT'S TOO HARD TO GIVE CORRECT ANSWER SO PLEASE MARK THIS ANSWER BRAINLIEST AND DROP A LOVE

DO NOT FORGET TO GIVE RATING

Answer 2

Answer:

(4a)

$4 { }a^{2} + 28 a + 49 \\ 4a ^{2} + 14a + 14a + 49 \\ 2a(2a + 7) + 7(2a + 7) \\( 2a + 7)(2a + 7) = 0$

Step-by-step explanation:

therefore 2a+7=0

a= -7/2