Question

4 x square + 5 root 2 x minus 3​

Answer 1

there should be -5√2x instead of +5√2x

then,

4x^2-5√2x-3

4x^2-3√2x-2√2x-3

√2x(2√2x-3)-1(2√2x-3)

(√2x-1)(2√2x-3)

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Answer 2

$4x { }^{2} + 5 \sqrt{2x } - 3$