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What is the standard form of ((x+5)(x+8)+(x-4)(x+7)=110)?
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Answer and explanation
Correct answer: (2x^2+16x-98=0)
The left side is (x^2+13x+40+x^2+3x-28=2x^2+16x+12). Subtracting (110) gives (2x^2+16x-98=0).
Frequently asked questions
What is the correct answer to this question?
(2x^2+16x-98=0)
Why is this the correct answer?
The left side is (x^2+13x+40+x^2+3x-28=2x^2+16x+12). Subtracting (110) gives (2x^2+16x-98=0).
Which subject and chapter does this question cover?
This is a Class 10 Mathematics question. Chapter: Quadratic Equations. Topic: Introduction to Quadratic Equations.
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