find the value of (a-7)square using suitable identify
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Answered by
0
Answer:
a^2-14a+49
Step-by-step explanation:
(a-7)^2
identity =》(a-b)^2 = a^2-2ab+b^2
a^2 -2(a)(7) + (7)^2
a^2-14a+49
Answered by
0
Step-by-step explanation:
(a-7)²
=a²-14a+49
=a²-7a-7a+49
=a(a-7)-7(a-7)
=(a-7)(a-7)
=a=7
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