simplify (√10-7)(√10+7)
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Answered by
0
Answer:
-39
Step-by-step explanation:
(√10-7)(√10+7)
=(√10)²- (7)² [ a²-b²=(a+b)(a-b)]
=10-49
=-39
Answered by
0
Step-by-step explanation:
= (√10-7)(√10+7)
= (√10)²-(7)². (Since (a-b) (a+b)=a²-b²)
= √10*√10 - 7*7
=10-49
= -39
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