if a+b=10 and a-b=6,than find the value of a^2+b^2

simplify algebraic expression
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3 Answers

the answer is 68
by
line 1: a+b=10... line 2: a-b=6... line1+line2: 2a=16, a=8... b=10-8=2... a^2=64... b^2=4... a^2 +b^2=68
by
a+b=10......1 a-b=6.........2(eq 1+2) 2a/2=16/2 a=8 8+b=10 b=10-8 b=2 a^2+b^2 8^2+2^2 64+4=68
by Level 4 User (7.5k points)
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