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13 votes
(3x-4)(x+5)= I need help with this fast

1 Answer

3 votes

Answer:

3x^2+11x-20

Explanation:

step 1 3x(x+5)-4(x+5)

step 2 3x(x+5)-4(x+5)= 3x^2+15-4(x+5)

step 3 3x^2+15x-4x+20

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