Question

Evalute x^2-100 (x-1)^2 if x=2.2

Answer 1

Answer:

139.16

Step-by-step explanation:

x^2-100(x-1)^2

=(2.2)^2-100(2.2-1)^2

=4.84-100(1.2)^2

=4.84-100×1.44

=4.84-144

=139.16

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Answer 2

Step-by-step explanation:

139.16

139.16Step-by-step explanation:

139.16Step-by-step explanation:x^2-100(x-1)^2

139.16Step-by-step explanation:x^2-100(x-1)^2(2.2)^2-100(2.2-1)^2

139.16Step-by-step explanation:x^2-100(x-1)^2(2.2)^2-100(2.2-1)^2=4.84-100(1.2)^2

139.16Step-by-step explanation:x^2-100(x-1)^2(2.2)^2-100(2.2-1)^2=4.84-100(1.2)^2=4.84-100×1.44

139.16Step-by-step explanation:x^2-100(x-1)^2(2.2)^2-100(2.2-1)^2=4.84-100(1.2)^2=4.84-100×1.44=4.84-144

139.16Step-by-step explanation:x^2-100(x-1)^2(2.2)^2-100(2.2-1)^2=4.84-100(1.2)^2=4.84-100×1.44=4.84-144=139.16