factorise :₁₄x³⊕₂₁x⁴y⊝₂₈x³y²
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Answer:
14x^3 + 21x^4y - 28x^3y^3
Step-by-step explanation:
((14•(x3))+((21•(x4))•y))-((22•7x3)•y3)
((14 • (x3)) + ((3•7x4) • y)) - (22•
((2•7x3) + (3•7x4y)) - (22•7x3y3)
21x4y - 28x3y3 + 14x3 = 7x3 • (3xy - 4y3 + 2)
3xy - 4y3 + 2
7x3 • (3xy - 4y3 + 2)
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