Mathematics, 11.11.2021 14:00 vtrvfrfvrvfvnkjrf

Isoke is solving the quadratic equation by completing the square. 10x2+40x-13=0

10x2+40x=13

A(x2+4x)=13

What is the value of A?

a) -13
b) 4
c) 10
d) 40

Answers: 3

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Isoke is solving the quadratic equation by completing the square. 10x2+40x-13=0

10x2+4...