Question

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8. Evaluate,if a=2,b=1 and c=10.

(j) (-a-b+c)²​

please answer me fast ok

Answer 1

Answer:

49

Step-by-step explanation:

-a = -2

-b = -1

so,

(-2-1+10)^2

(-3+10)^2

(7)^2

49

Answer 2

Answer:

49

Step-by-step explanation:

(-a-b+c)^2

using identity

(-a-b+c)^2= a^2+ b^2+c^2 +2ab- 2bc - 2ca

(2)^2+ (1)^2 + (10)^2 + ( 2×2×1)-(2×1×10)-(2×10×2)

4+1+100+4-20-40

109-60

49