Asked by Melissa
expand and simplify
1.(x^2-3x+4)(-x^2+3x-4)
2.3(2x-5)-9(4x-5)
1.(x^2-3x+4)(-x^2+3x-4)
2.3(2x-5)-9(4x-5)
Answers
Answered by
fate
1. -x^4+3x^3-4x^2+3x^3-9x^2+12x-4x^2+12x-16
simplified form:
-x^4+6x^3-17x^2+24x-16
or
x^4-6x^3+17x^2-24x+16
2. 6x-15-36x+45
simplified form:
-30x+30
30x-30
hope it will help you. :)
simplified form:
-x^4+6x^3-17x^2+24x-16
or
x^4-6x^3+17x^2-24x+16
2. 6x-15-36x+45
simplified form:
-30x+30
30x-30
hope it will help you. :)
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