Mathematics
Senior High
証明問題です。なぜ黄色線のようになるのか教えてほしいです
19 (a²+ 21'). (a-3)
= a² (a²+31) + 25'- (a² + ?b'
= Call² + Sab +6161² = 70
F². (a+4)-(a+b²) = (a + sa² ² + 6/6/
よって、
7
Answers
Were you able to resolve your confusion?
Users viewing this question
are also looking at these questions 😉
