Question

using identities expand (2x+5) (2x-3)

Answer 1

Answer:

$(2x + 5)(2x - 3) \\ \\ = 2x(2x - 3) + 5(2x - 3) \\ \\ = 4x2 - 6x + 10x - 15 \\ \\ = 4x2 + 4x - 15 \\ \\ please \: mark \: as \: brainliest$

please mark as brainliest

Answer 2

Answer:

(2x+5)(2x-3)

(x+a)(x+b)=x^2+(a+b)x+ab

(2x+5)(2x+(-3))

(2x)^2+(5+(-3))2x+5*(-3)

4x^2+(2)2x+(-15)

4x^2+4x-15

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