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Earn +20 ptsQ: How do you factor 4x2 plus 16x plus 16?
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X² plus 20 equals 4 a. square root of 24 b. -4 c. square root of 24 with a plus minus before it d. no real number ans.?
b. -4x2+20 = 4x2 = 4-20x2 = -16x = -4Note that -42 = -16 but (-4)2 in brackets = 16
What property is 16x plus 5y equals 5y plus 16x?
The Commutative Property of Addition.
What is the factor of 4xsquared-20x plus 16?
4x2 - 20x + 16 = 4(x2 - 5x + 4) = 4(x - 1)(x - 4)
16x to the power of 3 plus 4x to the power of 2 - 144 divided by 4x - 8?
4x - 8 = 0 when x = 2 Substitute this value of x in 16x3 + 4x2 - 144 to give 16*8 + 4*4 - 144 = 128 + 16 - 144 = 144 - 144 = 0 So, by the remainder theorem, (x-2) is a factor of 16x3 + 4x2 - 144 Also, the coeffs are all divisibl by 4 so 4 is also a factor (x-2) is a factor, 4 is a factor so 4*(x-2) = (4x - 8) is a factor.
How do you factor x2 16x plus 64?
to factor (x2-16x+64), you need to find two number whose product is 64 and whose sum is 16. These two numbers are 8 and 8. (x2-16x+64)=(x-8)(x-8)
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