im needing help with algebra
how would you factor:
2 Answers By Expert Tutors
Certified High School AP Calculus and Physics Teacher
6x^2-x-2 = (3x-2)(2x+1), inverse foil
x^2-3x+2x-6 = x(x-3) + 2(x-3) = (x+2)(x-3), by grouping
81y^2-36 = (9y+6)(9y-6), using the difference of two squares formula
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a2 -b2 = (a - b)(a + b)
81x2 - 36 = 9(9x2 - 4) = 9(3x - 2)(3x + 2)
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