(b-7)²
please give me answer
Answers
Answered by
5
Answer:
(b−7)
2
=b
2
+49−14b
=b
2
−14b+49[∵(x−y)
2
=x
2
+y
2
−2xy]
Answered by
1
Answer:
(b-7)²
please give me answer
Step-by-step explanation:
(a-b)²=a²+b²-4ab
(b-7)²=b²+7²-4×b×7
Similar questions