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KatRina [158]
2 years ago
13

Which model represent the factors of 4x2-9

Mathematics
1 answer:
lions [1.4K]2 years ago
6 0

Step-by-step explanation:

4x²-9

4x²+6x-6x-9

4x²+6x-6x-9

2x(2x+3)-3(2x+3)

2x(2x+3)-3(2x+3)

(2-3)(2x+3)

solution

(8x-3)(2x+3)

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Factor 3x^2y^2 − 2xy^2 − 8y^2. Show your work.
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<span>3x^2y^2 − 2xy^2 − 8y^2 =
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factoring with leading coefficient:

for ax2+bx+c find two numbers n,m, that m*n = a*c and m+n = b
</span><span><span>
3x^2 - 2x - 8
a=3, b=-2, c=-8
</span>a*c = 3*(-8) = -24
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replace bx with mx + nx and factor by grouping
</span><span>
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answer:
<span>3x^2y^2 − 2xy^2 − 8y^2 = y^2(3x+4)(x-2)</span>

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3 years ago
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2 years ago
How do I simplify this?
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