You can use the FOIL method to solve: multiply FIRST, multiply OUTSIDE, multiply INSIDE, multiply LAST to help remember to multiply all terms.
=(7x – 6)(8x + 3) multiply first term by first term, multiply outside by outside, inside by inside, last by last =(7x*8x) + (7x*3) + (-6*8x) + (-6*3) multiply terms =56x^2 + 21x - 48x - 18 combine like terms =56x^2 - 27x - 18