Sagot :
1. (x-4)(x-4) = 0
= x²-4x-4x+16 = 0
= x²-8x+16 =0
2. 3x²+3x =0
3. (x+2)(x+2) = 2x²-2
= x²+2x+2x+4 = 2x²-2
= -2x²+x²+4x+4+2 = 0
= -x²+4x+6= 0
➖➖➖➖➖➖➖➖➖➖➖➖➖➖➖➖
sana makatulong⊂((・▽・))⊃
1. (x-4)(x-4) = 0
= x²-4x-4x+16 = 0
3. (x+2)(x+2) = 2x²-2
= x²+2x+2x+4 = 2x²-2
= -2x²+x²+4x+4+2 = 0
➖➖➖➖➖➖➖➖➖➖➖➖➖➖➖➖
sana makatulong⊂((・▽・))⊃