2 x²+16x+16
问题描述:
2 x²+16x+16
答
2x²+16x+16
=2( x²+8x+16)-16
=2(x+4) ²-16
=(√2x+4√2) ²-4 ²
=(√2x+4√2+4)(√2x+4√2-4)