537 views

### Find the zeroes of the quadratic polynomial x^2 + 8x + 15.

x2+8x+15 = (x+3)(x+5)

So, the value of x2+8x+15 is zero when x2+8x+15 = 0 i.e. x = -3 or x = -5.

1 year ago

Answered by Piyush, a GCSE Maths tutor with MyTutor

## Still stuck? Get one-to-one help from a personally interviewed subject specialist

#### 536 SUBJECT SPECIALISTS

£20 /hr

Xanthe W.

Degree: Biological Sciences with a Year in Industry/Research (Bachelors) - Imperial College London University

Subjects offered:Maths, Chemistry+ 1 more

Maths
Chemistry
Biology

£18 /hr

Bukky O.

Degree: Maths with Finance (Bachelors) - Exeter University

Subjects offered:Maths, Chemistry

Maths
Chemistry

“Hi, I'm Bukky (pronounced book-ee) and my aim is to not only help your child excel in Maths but also hopefully enjoy it too”

£22 /hr

Ayusha A.

Degree: BEng electrical and electronics engineering (Bachelors) - Newcastle University

Subjects offered:Maths, Physics+ 1 more

Maths
Physics
Further Mathematics

“About me: I am a final year Electrical and Electronic Engineering student at Newcastle University. I took Mathematics, Further Mathematics, Chemistry and Physics as my A-level subjects. I did peer mentoring in university and also have...”

£30 /hr

Piyush S.

Degree: Electronics Engineering (Doctorate) - Imperial College London University

Subjects offered:Maths

Maths

“I am an experienced and passionate tutor for Maths and Science (Physics in particular). Throughout my higher education, I have been wondering about how Mathematics acts as a tool to model and simplify the complicated concepts of the P...”

### You may also like...

#### Posts by Piyush

Find the zeroes of the quadratic polynomial x^2 + 8x + 15.

Form the differential equation representing the family of curves x = my , where, m is arbitrary constant.

How much work is done in moving a charge of 2 C across two points having a potential difference 12 V?

In triangle ABC, right angled at B, AB = 3 cm and AC = 6 cm. Determine angle BAC and angle ACB.

#### Other GCSE Maths questions

Write down 9.02x10^-3 and 2.6x10^5?

Calculate the largest share when £400 is shared in the ratio 1 : 2 : 5.

Write 0.72727272 as a fraction in its simplest form

Solve 9x-4=7(x+2)

We use cookies to improve your site experience. By continuing to use this website, we'll assume that you're OK with this.