3 years ago

Use FOIL to multiply. (3x - 7)(x + 5)

Mathematics

2 answers:

Mnenie [13.5K]3 years ago

4 0

3x^2-7x+15x-35
=3x^2+8x-35

Natalija [7]3 years ago

4 0

Answer:

3x²+8x-35

Step-by-step explanation:

<u>FOIL stands for:</u>

First -> (3x-7)(x+5)

Outer -> (3x-7)(x+5)

Inner -> (3x-7)(x+5)

Last -> (3x-7)(x+5)

Following FOIL, we get:

(3x-7)(x+5)

(3x)(x)+(3x)(5)+(-7)(x)+(-7)(5)

3x²+15x-7x-35

3x²+8x-35

Therefore, the expanded form is 3x²+8x-35

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