Question

Solve √2x+9=,13-xby completing square method

Answer 1

√2x + 9 = 13 - x

Squaring both sides,

2x + 9 = (13 - x)^2

2x + 9 = 169 - 26x + x^2

x^2 - 28x + 160 = 0

(x - 8)(x - 20) = 0

x = 8, 20

hope this helps you (≡^∇^≡)

Answer 2

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